{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://raw.githubusercontent.com/api-evangelist/conductor/refs/heads/main/json-schema/workflow-execution.json",
  "title": "WorkflowExecution",
  "description": "A Conductor workflow execution instance representing a running or completed workflow, including its status, input/output data, task executions, timing information, and failure details.",
  "type": "object",
  "properties": {
    "workflowId": {
      "type": "string",
      "description": "Unique workflow instance ID"
    },
    "workflowName": {
      "type": "string",
      "description": "Name of the workflow definition"
    },
    "workflowVersion": {
      "type": "integer",
      "description": "Version of the workflow definition"
    },
    "correlationId": {
      "type": "string",
      "description": "Correlation ID"
    },
    "status": {
      "type": "string",
      "description": "Current status of the workflow",
      "enum": [
        "RUNNING",
        "COMPLETED",
        "FAILED",
        "TIMED_OUT",
        "TERMINATED",
        "PAUSED"
      ]
    },
    "startTime": {
      "type": "integer",
      "description": "Start time in epoch milliseconds"
    },
    "endTime": {
      "type": "integer",
      "description": "End time in epoch milliseconds"
    },
    "updateTime": {
      "type": "integer",
      "description": "Last update time in epoch milliseconds"
    },
    "input": {
      "type": "object",
      "description": "Workflow input",
      "additionalProperties": true
    },
    "output": {
      "type": "object",
      "description": "Workflow output",
      "additionalProperties": true
    },
    "tasks": {
      "type": "array",
      "description": "List of tasks in the workflow execution",
      "items": {
        "$ref": "#/$defs/Task"
      }
    },
    "reasonForIncompletion": {
      "type": "string",
      "description": "Reason for failure or termination"
    },
    "failedReferenceTaskNames": {
      "type": "array",
      "description": "List of failed task reference names",
      "items": {
        "type": "string"
      }
    },
    "workflowDefinition": {
      "type": "object",
      "description": "The workflow definition used for this execution"
    },
    "priority": {
      "type": "integer",
      "description": "Workflow priority"
    },
    "variables": {
      "type": "object",
      "description": "Workflow variables",
      "additionalProperties": true
    },
    "lastRetriedTime": {
      "type": "integer",
      "description": "Last retry timestamp in epoch milliseconds"
    },
    "ownerApp": {
      "type": "string",
      "description": "Owner application"
    },
    "createTime": {
      "type": "integer",
      "description": "Creation timestamp in epoch milliseconds"
    },
    "createdBy": {
      "type": "string",
      "description": "Created by"
    },
    "parentWorkflowId": {
      "type": "string",
      "description": "Parent workflow ID if this is a sub-workflow"
    }
  },
  "$defs": {
    "Task": {
      "type": "object",
      "properties": {
        "taskId": {
          "type": "string",
          "description": "Unique task instance ID"
        },
        "taskType": {
          "type": "string",
          "description": "The type of the task"
        },
        "status": {
          "type": "string",
          "description": "Current status of the task",
          "enum": [
            "IN_PROGRESS",
            "CANCELED",
            "FAILED",
            "FAILED_WITH_TERMINAL_ERROR",
            "COMPLETED",
            "COMPLETED_WITH_ERRORS",
            "SCHEDULED",
            "TIMED_OUT",
            "SKIPPED"
          ]
        },
        "referenceTaskName": {
          "type": "string",
          "description": "Reference name of the task in the workflow"
        },
        "workflowInstanceId": {
          "type": "string",
          "description": "ID of the workflow instance this task belongs to"
        },
        "workflowType": {
          "type": "string",
          "description": "Type/name of the workflow"
        },
        "correlationId": {
          "type": "string",
          "description": "Correlation ID"
        },
        "scheduledTime": {
          "type": "integer",
          "description": "Scheduled time in epoch milliseconds"
        },
        "startTime": {
          "type": "integer",
          "description": "Start time in epoch milliseconds"
        },
        "endTime": {
          "type": "integer",
          "description": "End time in epoch milliseconds"
        },
        "updateTime": {
          "type": "integer",
          "description": "Last update time in epoch milliseconds"
        },
        "retryCount": {
          "type": "integer",
          "description": "Current retry count"
        },
        "pollCount": {
          "type": "integer",
          "description": "Number of times this task was polled"
        },
        "callbackAfterSeconds": {
          "type": "integer",
          "description": "Callback delay in seconds"
        },
        "workerId": {
          "type": "string",
          "description": "ID of the worker that polled this task"
        },
        "inputData": {
          "type": "object",
          "description": "Task input data",
          "additionalProperties": true
        },
        "outputData": {
          "type": "object",
          "description": "Task output data",
          "additionalProperties": true
        },
        "reasonForIncompletion": {
          "type": "string",
          "description": "Reason for failure"
        },
        "logs": {
          "type": "array",
          "description": "Task execution logs",
          "items": {
            "$ref": "#/$defs/TaskExecLog"
          }
        },
        "domain": {
          "type": "string",
          "description": "Task domain"
        },
        "seq": {
          "type": "integer",
          "description": "Sequence number"
        },
        "taskDefName": {
          "type": "string",
          "description": "Task definition name"
        },
        "responseTimeoutSeconds": {
          "type": "integer",
          "description": "Response timeout in seconds"
        },
        "queueWaitTime": {
          "type": "integer",
          "description": "Time spent waiting in queue in milliseconds"
        }
      }
    },
    "TaskExecLog": {
      "type": "object",
      "properties": {
        "log": {
          "type": "string",
          "description": "Log message"
        },
        "taskId": {
          "type": "string",
          "description": "Associated task ID"
        },
        "createdTime": {
          "type": "integer",
          "description": "Timestamp of the log entry in epoch milliseconds"
        }
      }
    }
  }
}