> ## Documentation Index
> Fetch the complete documentation index at: https://evalgate.com/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# Create execution state events

> Requires scopes: runs:write



## OpenAPI

````yaml /api-reference/openapi.json post /api/execution-state/sessions/{sessionId}/events
openapi: 3.1.2
info:
  title: EvalGate API
  version: 5.1.0
  description: EvalGate API. See docs/api-contract.md for stability commitments.
servers:
  - url: https://evalgate.com
    description: Production
  - url: http://localhost:3000
    description: Local
security: []
paths:
  /api/execution-state/sessions/{sessionId}/events:
    post:
      tags:
        - execution state
      summary: Create execution state events
      description: 'Requires scopes: runs:write'
      operationId: post_execution_state_sessions_sessionId_events
      parameters:
        - name: sessionId
          in: path
          required: true
          schema:
            type: string
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: >-
                #/components/schemas/PostApiExecutionStateSessionsSessionIdEventsRequest
      responses:
        '201':
          description: Successful response
          content:
            application/json:
              schema:
                $ref: >-
                  #/components/schemas/PostApiExecutionStateSessionsSessionIdEventsResponse201ApplicationJson
        '400':
          $ref: '#/components/responses/ValidationError'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '403':
          $ref: '#/components/responses/Forbidden'
        '404':
          $ref: '#/components/responses/NotFound'
        '409':
          $ref: '#/components/responses/Conflict'
        '429':
          $ref: '#/components/responses/RateLimited'
        '500':
          $ref: '#/components/responses/InternalError'
        '503':
          $ref: '#/components/responses/ServiceUnavailable'
      security:
        - bearerAuth: []
components:
  schemas:
    PostApiExecutionStateSessionsSessionIdEventsRequest:
      type: object
      properties:
        type:
          oneOf:
            - type: string
              enum:
                - session_started
            - type: string
              enum:
                - session_resumed
            - type: string
              enum:
                - session_paused
            - type: string
              enum:
                - user_instruction_recorded
            - type: string
              enum:
                - objective_activated
            - type: string
              enum:
                - objective_paused
            - type: string
              enum:
                - objective_completed
            - type: string
              enum:
                - rubric_activated
            - type: string
              enum:
                - plan_created
            - type: string
              enum:
                - plan_updated
            - type: string
              enum:
                - task_started
            - type: string
              enum:
                - task_completed
            - type: string
              enum:
                - task_blocked
            - type: string
              enum:
                - decision_accepted
            - type: string
              enum:
                - decision_rejected
            - type: string
              enum:
                - artifact_observed
            - type: string
              enum:
                - artifact_changed
            - type: string
              enum:
                - evidence_attached
            - type: string
              enum:
                - tool_started
            - type: string
              enum:
                - tool_completed
            - type: string
              enum:
                - policy_decided
            - type: string
              enum:
                - approval_requested
            - type: string
              enum:
                - approval_resolved
            - type: string
              enum:
                - memory_candidate_created
            - type: string
              enum:
                - memory_candidate_resolved
            - type: string
              enum:
                - compaction_requested
            - type: string
              enum:
                - compaction_completed
            - type: string
              enum:
                - model_handoff_requested
            - type: string
              enum:
                - model_handoff_completed
            - type: string
              enum:
                - thread_switched
            - type: string
              enum:
                - subagent_started
            - type: string
              enum:
                - subagent_completed
            - type: string
              enum:
                - failure_recorded
            - type: string
              enum:
                - repair_linked
            - type: string
              enum:
                - release_linked
            - type: string
              enum:
                - session_completed
            - type: string
              enum:
                - session_cancelled
        idempotencyKey:
          type: string
        payload:
          type: object
          additionalProperties:
            $ref: '#/components/schemas/JsonValue'
        payloadHash:
          type: string
        actor:
          type: object
          properties:
            type:
              oneOf:
                - type: string
                  enum:
                    - user
                - type: string
                  enum:
                    - model
                - type: string
                  enum:
                    - service
                - type: string
                  enum:
                    - runner
                - type: string
                  enum:
                    - github_bot
            id:
              type: string
            modelCallId:
              type: string
            runnerJobId:
              type: string
          additionalProperties: false
          required:
            - type
            - id
        evidence:
          type: array
          items:
            type: object
            properties:
              id:
                type: string
              organizationId:
                $ref: '#/components/schemas/OrganizationId'
              schemaVersion:
                type: number
                enum:
                  - 1
              kind:
                oneOf:
                  - type: string
                    enum:
                      - trace_revision
                  - type: string
                    enum:
                      - trajectory
                  - type: string
                    enum:
                      - evidence_item
                  - type: string
                    enum:
                      - evaluation_run
                  - type: string
                    enum:
                      - test_result
                  - type: string
                    enum:
                      - measurement_revision
                  - type: string
                    enum:
                      - evaluator_release
                  - type: string
                    enum:
                      - repair_decision
                  - type: string
                    enum:
                      - experiment_decision
                  - type: string
                    enum:
                      - objective_decision
                  - type: string
                    enum:
                      - release_plan
                  - type: string
                    enum:
                      - release_decision
                  - type: string
                    enum:
                      - production_outcome
                  - type: string
                    enum:
                      - human_adjudication
                  - type: string
                    enum:
                      - privacy_manifest
                  - type: string
                    enum:
                      - task_environment_snapshot
                  - type: string
                    enum:
                      - task_attempt
                  - type: string
                    enum:
                      - state_delta
                  - type: string
                    enum:
                      - context_epoch
                  - type: string
                    enum:
                      - compaction_event
                  - type: string
                    enum:
                      - model_handoff
                  - type: string
                    enum:
                      - memory_decision
                  - type: string
                    enum:
                      - orchestration_dispatch
                  - type: string
                    enum:
                      - subagent_run
                  - type: string
                    enum:
                      - trial_batch
                  - type: string
                    enum:
                      - harness_comparison
              contentHash:
                type: string
              occurredAt:
                type: string
              privacyManifestId:
                type: string
              privacyViewId:
                type: string
            additionalProperties: false
            required:
              - id
              - organizationId
              - schemaVersion
              - kind
              - contentHash
              - occurredAt
        artifactRefs:
          type: array
          items:
            type: object
            properties:
              organizationId:
                $ref: '#/components/schemas/OrganizationId'
              schemaVersion:
                type: number
                enum:
                  - 1
              kind:
                oneOf:
                  - type: string
                    enum:
                      - prompt
                  - type: string
                    enum:
                      - judge_config
                  - type: string
                    enum:
                      - scorer
                  - type: string
                    enum:
                      - policy_pack
                  - type: string
                    enum:
                      - ruleset
                  - type: string
                    enum:
                      - model_routing_profile
                  - type: string
                    enum:
                      - model_binding
                  - type: string
                    enum:
                      - retrieval_corpus
                  - type: string
                    enum:
                      - retrieval_index
                  - type: string
                    enum:
                      - retrieval_config
                  - type: string
                    enum:
                      - tool_contract
                  - type: string
                    enum:
                      - tool_inventory
                  - type: string
                    enum:
                      - workflow
                  - type: string
                    enum:
                      - agent_topology
                  - type: string
                    enum:
                      - memory_entry_set
                  - type: string
                    enum:
                      - skill
                  - type: string
                    enum:
                      - runtime_config
                  - type: string
                    enum:
                      - dataset
                  - type: string
                    enum:
                      - evaluation
                  - type: string
                    enum:
                      - repository_commit
                  - type: string
                    enum:
                      - agent_task
                  - type: string
                    enum:
                      - task_environment
                  - type: string
                    enum:
                      - task_verifier
                  - type: string
                    enum:
                      - harness_profile
                  - type: string
                    enum:
                      - context_policy
                  - type: string
                    enum:
                      - execution_state_schema
                  - type: string
                    enum:
                      - orchestration_program
                  - type: string
                    enum:
                      - subagent_profile
                  - type: string
                    enum:
                      - eval_catalog
                  - type: string
                    enum:
                      - experiment_plan
                  - type: string
                    enum:
                      - tool_policy
                  - type: string
                    enum:
                      - mcp_config
                  - type: string
                    enum:
                      - memory_policy
                  - type: string
                    enum:
                      - prompt_overlay
                  - type: string
                    enum:
                      - release_constraint
              artifactId:
                type: string
              versionId:
                type: string
              contentHash:
                type: string
              environment:
                oneOf:
                  - type: string
                    enum:
                      - local
                  - type: string
                    enum:
                      - ci
                  - type: string
                    enum:
                      - dev
                  - type: string
                    enum:
                      - staging
                  - type: string
                    enum:
                      - prod
              sourceControl:
                type: object
                properties:
                  repositoryId:
                    type: string
                  provider:
                    oneOf:
                      - type: string
                        enum:
                          - github
                      - type: string
                        enum:
                          - gitlab
                      - type: string
                        enum:
                          - bitbucket
                      - type: string
                        enum:
                          - azure_devops
                      - type: string
                        enum:
                          - other
                  commitSha:
                    type: string
                  path:
                    type: string
                additionalProperties: false
                required:
                  - repositoryId
                  - provider
                  - commitSha
              dependencySnapshotHash:
                type: string
            additionalProperties: false
            required:
              - organizationId
              - schemaVersion
              - kind
              - artifactId
              - versionId
              - contentHash
      additionalProperties: false
      required:
        - type
        - idempotencyKey
        - payload
        - payloadHash
        - actor
    PostApiExecutionStateSessionsSessionIdEventsResponse201ApplicationJson:
      type: object
      properties:
        type:
          oneOf:
            - type: string
              enum:
                - session_started
            - type: string
              enum:
                - session_resumed
            - type: string
              enum:
                - session_paused
            - type: string
              enum:
                - user_instruction_recorded
            - type: string
              enum:
                - objective_activated
            - type: string
              enum:
                - objective_paused
            - type: string
              enum:
                - objective_completed
            - type: string
              enum:
                - rubric_activated
            - type: string
              enum:
                - plan_created
            - type: string
              enum:
                - plan_updated
            - type: string
              enum:
                - task_started
            - type: string
              enum:
                - task_completed
            - type: string
              enum:
                - task_blocked
            - type: string
              enum:
                - decision_accepted
            - type: string
              enum:
                - decision_rejected
            - type: string
              enum:
                - artifact_observed
            - type: string
              enum:
                - artifact_changed
            - type: string
              enum:
                - evidence_attached
            - type: string
              enum:
                - tool_started
            - type: string
              enum:
                - tool_completed
            - type: string
              enum:
                - policy_decided
            - type: string
              enum:
                - approval_requested
            - type: string
              enum:
                - approval_resolved
            - type: string
              enum:
                - memory_candidate_created
            - type: string
              enum:
                - memory_candidate_resolved
            - type: string
              enum:
                - compaction_requested
            - type: string
              enum:
                - compaction_completed
            - type: string
              enum:
                - model_handoff_requested
            - type: string
              enum:
                - model_handoff_completed
            - type: string
              enum:
                - thread_switched
            - type: string
              enum:
                - subagent_started
            - type: string
              enum:
                - subagent_completed
            - type: string
              enum:
                - failure_recorded
            - type: string
              enum:
                - repair_linked
            - type: string
              enum:
                - release_linked
            - type: string
              enum:
                - session_completed
            - type: string
              enum:
                - session_cancelled
        id:
          type: string
        organizationId:
          $ref: '#/components/schemas/OrganizationId'
        schemaVersion:
          type: number
          enum:
            - 1
        evidence:
          type: array
          items:
            type: object
            properties:
              id:
                type: string
              organizationId:
                $ref: '#/components/schemas/OrganizationId'
              schemaVersion:
                type: number
                enum:
                  - 1
              kind:
                oneOf:
                  - type: string
                    enum:
                      - trace_revision
                  - type: string
                    enum:
                      - trajectory
                  - type: string
                    enum:
                      - evidence_item
                  - type: string
                    enum:
                      - evaluation_run
                  - type: string
                    enum:
                      - test_result
                  - type: string
                    enum:
                      - measurement_revision
                  - type: string
                    enum:
                      - evaluator_release
                  - type: string
                    enum:
                      - repair_decision
                  - type: string
                    enum:
                      - experiment_decision
                  - type: string
                    enum:
                      - objective_decision
                  - type: string
                    enum:
                      - release_plan
                  - type: string
                    enum:
                      - release_decision
                  - type: string
                    enum:
                      - production_outcome
                  - type: string
                    enum:
                      - human_adjudication
                  - type: string
                    enum:
                      - privacy_manifest
                  - type: string
                    enum:
                      - task_environment_snapshot
                  - type: string
                    enum:
                      - task_attempt
                  - type: string
                    enum:
                      - state_delta
                  - type: string
                    enum:
                      - context_epoch
                  - type: string
                    enum:
                      - compaction_event
                  - type: string
                    enum:
                      - model_handoff
                  - type: string
                    enum:
                      - memory_decision
                  - type: string
                    enum:
                      - orchestration_dispatch
                  - type: string
                    enum:
                      - subagent_run
                  - type: string
                    enum:
                      - trial_batch
                  - type: string
                    enum:
                      - harness_comparison
              contentHash:
                type: string
              occurredAt:
                type: string
              privacyManifestId:
                type: string
              privacyViewId:
                type: string
            additionalProperties: false
            required:
              - id
              - organizationId
              - schemaVersion
              - kind
              - contentHash
              - occurredAt
        occurredAt:
          type: string
        sessionId:
          type: string
        idempotencyKey:
          type: string
        payload:
          type: object
          additionalProperties:
            $ref: '#/components/schemas/JsonValue'
        payloadHash:
          type: string
        sequence:
          type: number
        actor:
          type: object
          properties:
            type:
              oneOf:
                - type: string
                  enum:
                    - user
                - type: string
                  enum:
                    - model
                - type: string
                  enum:
                    - service
                - type: string
                  enum:
                    - runner
                - type: string
                  enum:
                    - github_bot
            id:
              type: string
            modelCallId:
              type: string
            runnerJobId:
              type: string
          additionalProperties: false
          required:
            - type
            - id
        artifactRefs:
          type: array
          items:
            type: object
            properties:
              organizationId:
                $ref: '#/components/schemas/OrganizationId'
              schemaVersion:
                type: number
                enum:
                  - 1
              kind:
                oneOf:
                  - type: string
                    enum:
                      - prompt
                  - type: string
                    enum:
                      - judge_config
                  - type: string
                    enum:
                      - scorer
                  - type: string
                    enum:
                      - policy_pack
                  - type: string
                    enum:
                      - ruleset
                  - type: string
                    enum:
                      - model_routing_profile
                  - type: string
                    enum:
                      - model_binding
                  - type: string
                    enum:
                      - retrieval_corpus
                  - type: string
                    enum:
                      - retrieval_index
                  - type: string
                    enum:
                      - retrieval_config
                  - type: string
                    enum:
                      - tool_contract
                  - type: string
                    enum:
                      - tool_inventory
                  - type: string
                    enum:
                      - workflow
                  - type: string
                    enum:
                      - agent_topology
                  - type: string
                    enum:
                      - memory_entry_set
                  - type: string
                    enum:
                      - skill
                  - type: string
                    enum:
                      - runtime_config
                  - type: string
                    enum:
                      - dataset
                  - type: string
                    enum:
                      - evaluation
                  - type: string
                    enum:
                      - repository_commit
                  - type: string
                    enum:
                      - agent_task
                  - type: string
                    enum:
                      - task_environment
                  - type: string
                    enum:
                      - task_verifier
                  - type: string
                    enum:
                      - harness_profile
                  - type: string
                    enum:
                      - context_policy
                  - type: string
                    enum:
                      - execution_state_schema
                  - type: string
                    enum:
                      - orchestration_program
                  - type: string
                    enum:
                      - subagent_profile
                  - type: string
                    enum:
                      - eval_catalog
                  - type: string
                    enum:
                      - experiment_plan
                  - type: string
                    enum:
                      - tool_policy
                  - type: string
                    enum:
                      - mcp_config
                  - type: string
                    enum:
                      - memory_policy
                  - type: string
                    enum:
                      - prompt_overlay
                  - type: string
                    enum:
                      - release_constraint
              artifactId:
                type: string
              versionId:
                type: string
              contentHash:
                type: string
              environment:
                oneOf:
                  - type: string
                    enum:
                      - local
                  - type: string
                    enum:
                      - ci
                  - type: string
                    enum:
                      - dev
                  - type: string
                    enum:
                      - staging
                  - type: string
                    enum:
                      - prod
              sourceControl:
                type: object
                properties:
                  repositoryId:
                    type: string
                  provider:
                    oneOf:
                      - type: string
                        enum:
                          - github
                      - type: string
                        enum:
                          - gitlab
                      - type: string
                        enum:
                          - bitbucket
                      - type: string
                        enum:
                          - azure_devops
                      - type: string
                        enum:
                          - other
                  commitSha:
                    type: string
                  path:
                    type: string
                additionalProperties: false
                required:
                  - repositoryId
                  - provider
                  - commitSha
              dependencySnapshotHash:
                type: string
            additionalProperties: false
            required:
              - organizationId
              - schemaVersion
              - kind
              - artifactId
              - versionId
              - contentHash
        privacyManifestId:
          type: string
      additionalProperties: false
      required:
        - type
        - id
        - organizationId
        - schemaVersion
        - evidence
        - occurredAt
        - sessionId
        - idempotencyKey
        - payload
        - payloadHash
        - sequence
        - actor
        - artifactRefs
    JsonValue:
      oneOf:
        - type: 'null'
        - type: boolean
        - type: number
        - type: string
        - type: array
          items:
            $ref: '#/components/schemas/JsonValue'
        - type: object
          additionalProperties:
            $ref: '#/components/schemas/JsonValue'
    OrganizationId:
      type: string
      format: uuid
    ApiError:
      type: object
      properties:
        error:
          type: object
          properties:
            code:
              type: string
              enum:
                - UNAUTHORIZED
                - FORBIDDEN
                - NOT_FOUND
                - INVALID_REFERENCE
                - VALIDATION_ERROR
                - RATE_LIMITED
                - CONFLICT
                - INTERNAL_ERROR
                - SERVICE_UNAVAILABLE
                - QUOTA_EXCEEDED
                - FEATURE_LIMIT_REACHED
                - NO_ORG_MEMBERSHIP
                - SHARE_REVOKED
                - SHARE_EXPIRED
                - SHARE_UNAVAILABLE
                - PROVIDER_KEY_MISSING
                - PROVIDER_KEY_EXPIRED
                - PROVIDER_RATE_LIMITED
                - PROVIDER_UNAUTHORIZED
                - PROVIDER_UNAVAILABLE
                - AGENT_HANDOFF_INVALID
                - AGENT_HANDOFF_EXPIRED
                - AGENT_HANDOFF_DENIED
                - AGENT_HANDOFF_CONSUMED
                - PAYLOAD_TOO_LARGE
                - METHOD_NOT_ALLOWED
            message:
              type: string
            details: {}
            requestId:
              type: string
              format: uuid
            redaction:
              type: object
              properties:
                applied:
                  type: boolean
                  enum:
                    - true
                fieldCount:
                  type: integer
                  minimum: 0
                secretCount:
                  type: integer
                  minimum: 0
              required:
                - applied
                - fieldCount
                - secretCount
          required:
            - code
            - message
      required:
        - error
  responses:
    ValidationError:
      description: Validation error
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ApiError'
    Unauthorized:
      description: Unauthorized
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ApiError'
      headers:
        WWW-Authenticate:
          description: >-
            Bearer challenge. Agent-facing routes include the RFC 9728
            resource_metadata URL.
          schema:
            type: string
    Forbidden:
      description: Forbidden
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ApiError'
    NotFound:
      description: Resource not found
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ApiError'
    Conflict:
      description: Conflict
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ApiError'
    RateLimited:
      description: Rate limit exceeded
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ApiError'
      headers:
        Retry-After:
          description: Delay in seconds before retrying when present.
          schema:
            type: integer
            minimum: 1
        RateLimit-Policy:
          description: IETF HTTPAPI structured quota policy (work in progress).
          schema:
            type: string
        RateLimit:
          description: >-
            IETF HTTPAPI structured remaining quota and reset delay (work in
            progress).
          schema:
            type: string
    InternalError:
      description: Internal server error
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ApiError'
    ServiceUnavailable:
      description: Service unavailable
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ApiError'
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      bearerFormat: EvalGate API key
      description: >-
        Organization-scoped EvalGate API key. Discover the supported agent
        scopes at /.well-known/oauth-protected-resource. Per-operation grants
        are listed in x-evalgate-required-scopes; OpenAPI bearer security
        requirement arrays remain empty as required for non-OAuth schemes.
      x-evalgate-scopes-supported:
        - eval:read
        - eval:write
        - objectives:read
        - objectives:write
        - runs:read
        - runs:write
        - traces:read
        - traces:write
        - exports:download
        - reports:write
        - prompt:publish
        - scorer:publish
        - red_team:read
        - red_team:run
        - red_team:approve
        - docs:read
        - agent:read
        - agent:execute
        - admin:keys
        - admin:org
      x-evalgate-protected-resource-metadata: https://www.evalgate.com/.well-known/oauth-protected-resource

````