> ## Documentation Index > Fetch the complete documentation index at: https://docs.voiceflow.com/llms.txt > Use this file to discover all available pages before exploring further. # Create check > Adds a test check to its turn, one assertion about an agent turn, comparing the reply or the behaviour behind it. The response carries the ID that later calls address it by. ## OpenAPI ````yaml /specs-prettified/realtime/openapi.stable.json post /v1/stable/test-check openapi: 3.0.0 info: title: Realtime description: Realtime gateway API service version: 1.0.0 contact: {} servers: - url: https://realtime-api.voiceflow.com security: [] tags: [] paths: /v1/stable/test-check: post: tags: - Test Check summary: Create check description: >- Adds a test check to its turn, one assertion about an agent turn, comparing the reply or the behaviour behind it. The response carries the ID that later calls address it by. operationId: StableTestCheckController_create parameters: - name: projectID required: true in: query schema: type: string description: The ID of the project to operate on. - name: environmentAlias required: true in: query schema: type: string description: The alias of the environment to operate on (e.g. `main`). requestBody: required: true content: application/json: schema: $ref: '#/components/schemas/StableTestCheckCreateRequest' responses: '201': description: >- Creates one check on the turn named in the body and returns it with its assigned `id`. Checks hang off agent turns, which are the turns that carry a `checkOrder`. content: application/json: schema: $ref: '#/components/schemas/StableTestCheckResponse' x-vf-doc: description: >- Creates one check on the turn named in the body and returns it with its assigned `id`. Checks hang off agent turns, which are the turns that carry a `checkOrder`. security: - token: [] components: schemas: StableTestCheckCreateRequest: oneOf: - type: object properties: type: type: string enum: - response description: >- Identifies a check that judges the agent's response text against expected criteria. x-enumNames: - RESPONSE turnID: type: string description: The ID of the turn this check belongs to. payload: $ref: '#/components/schemas/ResponseSimulationTurnTestPayload' required: - type - turnID - payload additionalProperties: false - type: object properties: type: type: string enum: - routing description: >- Identifies a check that verifies whether the agent routed to a specific playbook or workflow. x-enumNames: - ROUTING turnID: type: string description: The ID of the turn this check belongs to. payload: type: object properties: routeTo: nullable: true description: >- The routing target to check against, paired with shouldRoute. Null when asserting no routing at all. type: object properties: resourceID: type: string description: >- The ID of the playbook or workflow the check routes against. resourceType: type: string enum: - playbook - workflow description: Whether resourceID is a playbook or a workflow. x-enumNames: - PLAYBOOK - WORKFLOW required: - resourceID - resourceType shouldRoute: type: boolean required: - routeTo - shouldRoute required: - type - turnID - payload additionalProperties: false - type: object properties: type: type: string enum: - tool description: >- Identifies a check that verifies whether the agent called a specific tool. x-enumNames: - TOOL turnID: type: string description: The ID of the turn this check belongs to. payload: $ref: '#/components/schemas/ToolSimulationTurnTestPayload' required: - type - turnID - payload additionalProperties: false StableTestCheckResponse: type: object properties: check: $ref: '#/components/schemas/StableTestCheck' required: - check ResponseSimulationTurnTestPayload: oneOf: - $ref: '#/components/schemas/SimulationTurnTestJudgeEqual' - $ref: '#/components/schemas/SimulationTurnTestJudgeLLMEval' ToolSimulationTurnTestPayload: type: object properties: tool: nullable: true allOf: - $ref: '#/components/schemas/ToolSimulationTurnTestPayloadTool' shouldCall: type: boolean required: - tool - shouldCall StableTestCheck: oneOf: - type: object properties: id: type: string turnID: type: string description: The ID of the turn this check belongs to. createdAt: type: string format: date-time pattern: >- ^(?:(?:\d\d[2468][048]|\d\d[13579][26]|\d\d0[48]|[02468][048]00|[13579][26]00)-02-29|\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\d|30)|(?:02)-(?:0[1-9]|1\d|2[0-8])))T(?:(?:[01]\d|2[0-3]):[0-5]\d(?::[0-5]\d(?:\.\d+)?)?(?:Z))$ updatedAt: type: string format: date-time pattern: >- ^(?:(?:\d\d[2468][048]|\d\d[13579][26]|\d\d0[48]|[02468][048]00|[13579][26]00)-02-29|\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\d|30)|(?:02)-(?:0[1-9]|1\d|2[0-8])))T(?:(?:[01]\d|2[0-3]):[0-5]\d(?::[0-5]\d(?:\.\d+)?)?(?:Z))$ type: type: string enum: - response description: >- Identifies a check that judges the agent's response text against expected criteria. x-enumNames: - RESPONSE payload: $ref: '#/components/schemas/ResponseSimulationTurnTestPayload' required: - id - turnID - createdAt - updatedAt - type - payload - type: object properties: id: type: string turnID: type: string description: The ID of the turn this check belongs to. createdAt: type: string format: date-time pattern: >- ^(?:(?:\d\d[2468][048]|\d\d[13579][26]|\d\d0[48]|[02468][048]00|[13579][26]00)-02-29|\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\d|30)|(?:02)-(?:0[1-9]|1\d|2[0-8])))T(?:(?:[01]\d|2[0-3]):[0-5]\d(?::[0-5]\d(?:\.\d+)?)?(?:Z))$ updatedAt: type: string format: date-time pattern: >- ^(?:(?:\d\d[2468][048]|\d\d[13579][26]|\d\d0[48]|[02468][048]00|[13579][26]00)-02-29|\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\d|30)|(?:02)-(?:0[1-9]|1\d|2[0-8])))T(?:(?:[01]\d|2[0-3]):[0-5]\d(?::[0-5]\d(?:\.\d+)?)?(?:Z))$ type: type: string enum: - routing description: >- Identifies a check that verifies whether the agent routed to a specific playbook or workflow. x-enumNames: - ROUTING payload: type: object properties: routeTo: nullable: true description: >- The routing target to check against, paired with shouldRoute. Null when asserting no routing at all. type: object properties: resourceID: type: string description: >- The ID of the playbook or workflow the check routes against. resourceType: type: string enum: - playbook - workflow description: Whether resourceID is a playbook or a workflow. x-enumNames: - PLAYBOOK - WORKFLOW required: - resourceID - resourceType shouldRoute: type: boolean required: - routeTo - shouldRoute required: - id - turnID - createdAt - updatedAt - type - payload - type: object properties: id: type: string turnID: type: string description: The ID of the turn this check belongs to. createdAt: type: string format: date-time pattern: >- ^(?:(?:\d\d[2468][048]|\d\d[13579][26]|\d\d0[48]|[02468][048]00|[13579][26]00)-02-29|\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\d|30)|(?:02)-(?:0[1-9]|1\d|2[0-8])))T(?:(?:[01]\d|2[0-3]):[0-5]\d(?::[0-5]\d(?:\.\d+)?)?(?:Z))$ updatedAt: type: string format: date-time pattern: >- ^(?:(?:\d\d[2468][048]|\d\d[13579][26]|\d\d0[48]|[02468][048]00|[13579][26]00)-02-29|\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\d|30)|(?:02)-(?:0[1-9]|1\d|2[0-8])))T(?:(?:[01]\d|2[0-3]):[0-5]\d(?::[0-5]\d(?:\.\d+)?)?(?:Z))$ type: type: string enum: - tool description: >- Identifies a check that verifies whether the agent called a specific tool. x-enumNames: - TOOL payload: $ref: '#/components/schemas/ToolSimulationTurnTestPayload' required: - id - turnID - createdAt - updatedAt - type - payload SimulationTurnTestJudgeEqual: type: object properties: type: type: string enum: - equal x-enumNames: - EQUAL value: type: string required: - type - value SimulationTurnTestJudgeLLMEval: type: object properties: type: type: string enum: - llm_eval x-enumNames: - LLM_EVAL prompt: type: string required: - type - prompt ToolSimulationTurnTestPayloadTool: oneOf: - $ref: '#/components/schemas/NativeToolSimulationTurnTestPayload' - $ref: '#/components/schemas/ApiCallToolSimulationTurnTestPayload' - $ref: '#/components/schemas/FunctionToolSimulationTurnTestPayload' - $ref: '#/components/schemas/IntegrationToolSimulationTurnTestPayload' - $ref: '#/components/schemas/McpIntegrationToolSimulationTurnTestPayload' NativeToolSimulationTurnTestPayload: type: object properties: type: type: string enum: - native x-enumNames: - NATIVE kind: $ref: '#/components/schemas/SimulationTurnTestToolNativeKind' required: - type - kind ApiCallToolSimulationTurnTestPayload: type: object properties: type: type: string enum: - api-call x-enumNames: - API_CALL toolID: type: string required: - type - toolID FunctionToolSimulationTurnTestPayload: type: object properties: type: type: string enum: - function x-enumNames: - FUNCTION toolID: type: string required: - type - toolID IntegrationToolSimulationTurnTestPayload: type: object properties: type: type: string enum: - integration x-enumNames: - INTEGRATION toolID: type: string required: - type - toolID McpIntegrationToolSimulationTurnTestPayload: type: object properties: type: type: string enum: - mcp-integration x-enumNames: - MCP_INTEGRATION toolID: type: string required: - type - toolID SimulationTurnTestToolNativeKind: type: string enum: - end - card - button - carousel - skip-turn - web-search - call-forward - knowledge-base x-enumNames: - END - CARD - BUTTON - CAROUSEL - SKIP_TURN - WEB_SEARCH - CALL_FORWARD - KNOWLEDGE_BASE securitySchemes: token: scheme: bearer bearerFormat: JWT type: http description: Voiceflow bearer token ````