> ## Documentation Index > Fetch the complete documentation index at: https://help.teable.ai/llms.txt > Use this file to discover all available pages before exploring further. # Get adminobservabilitycomputed outboxtasks lineage > Resolve one computed task's lineage: trigger source, run chain across the outbox / dead-letter / run-history ledgers, DAG plan (steps + edges), and source-change to converged-write latency Required token scopes: `instance|read` ## OpenAPI ````yaml /swagger.json get /admin/observability/computed-outbox/tasks/{taskId}/lineage openapi: 3.0.0 info: version: 1.0.0 title: Teable App description: Manage Data as easy as drink a cup of tea x-logo: backgroundColor: '#F0F0F0' altText: Teable logo servers: - url: https://app.teable.ai/api security: [] tags: - name: base x-group: project - name: base node x-group: project node - name: base-share x-group: project-share paths: /admin/observability/computed-outbox/tasks/{taskId}/lineage: get: tags: - admin - observability description: >- Resolve one computed task's lineage: trigger source, run chain across the outbox / dead-letter / run-history ledgers, DAG plan (steps + edges), and source-change to converged-write latency Required token scopes: `instance|read` parameters: - schema: type: string minLength: 1 maxLength: 128 required: true name: taskId in: path responses: '200': description: Lineage for the task and its run chain content: application/json: schema: type: object properties: targetId: type: string storage: type: string enum: - default - byodb baseId: type: string baseName: type: string spaceId: type: string spaceName: type: string task: type: object properties: taskId: type: string state: type: string enum: - pending - processing - dead - succeeded baseId: type: string seedTableId: type: string changeType: type: string runId: type: string originRunIds: type: array items: type: string stageDepth: type: number predecessorTaskId: type: string nullable: true attempts: type: number estimatedComplexity: type: number runTotalSteps: type: number runCompletedStepsBefore: type: number syncMaxLevel: type: number nullable: true seedRecordCount: type: number nullable: true sourceFieldIds: type: array items: type: string affectedFieldIds: type: array items: type: string affectedTableIds: type: array items: type: string sourceChangedAt: type: string nullable: true enqueuedAt: type: string startedAt: type: string nullable: true completedAt: type: string nullable: true failedAt: type: string nullable: true durationMs: type: number nullable: true lastError: type: string nullable: true steps: type: array items: type: object properties: tableId: type: string fieldIds: type: array items: type: string level: type: number required: - tableId - fieldIds - level edges: type: array items: type: object properties: fromFieldId: type: string toFieldId: type: string fromTableId: type: string toTableId: type: string linkFieldId: type: string propagationMode: type: string order: type: number required: - fromFieldId - toFieldId - fromTableId - toTableId - order required: - taskId - state - baseId - seedTableId - changeType - runId - originRunIds - stageDepth - predecessorTaskId - attempts - estimatedComplexity - runTotalSteps - runCompletedStepsBefore - syncMaxLevel - seedRecordCount - sourceFieldIds - affectedFieldIds - affectedTableIds - sourceChangedAt - enqueuedAt - startedAt - completedAt - failedAt - durationMs - lastError - steps - edges runChain: type: array items: type: object properties: taskId: type: string state: type: string enum: - pending - processing - dead - succeeded baseId: type: string seedTableId: type: string changeType: type: string runId: type: string originRunIds: type: array items: type: string stageDepth: type: number predecessorTaskId: type: string nullable: true attempts: type: number estimatedComplexity: type: number runTotalSteps: type: number runCompletedStepsBefore: type: number syncMaxLevel: type: number nullable: true seedRecordCount: type: number nullable: true sourceFieldIds: type: array items: type: string affectedFieldIds: type: array items: type: string affectedTableIds: type: array items: type: string sourceChangedAt: type: string nullable: true enqueuedAt: type: string startedAt: type: string nullable: true completedAt: type: string nullable: true failedAt: type: string nullable: true durationMs: type: number nullable: true lastError: type: string nullable: true steps: type: array items: type: object properties: tableId: type: string fieldIds: type: array items: type: string level: type: number required: - tableId - fieldIds - level edges: type: array items: type: object properties: fromFieldId: type: string toFieldId: type: string fromTableId: type: string toTableId: type: string linkFieldId: type: string propagationMode: type: string order: type: number required: - fromFieldId - toFieldId - fromTableId - toTableId - order required: - taskId - state - baseId - seedTableId - changeType - runId - originRunIds - stageDepth - predecessorTaskId - attempts - estimatedComplexity - runTotalSteps - runCompletedStepsBefore - syncMaxLevel - seedRecordCount - sourceFieldIds - affectedFieldIds - affectedTableIds - sourceChangedAt - enqueuedAt - startedAt - completedAt - failedAt - durationMs - lastError - steps - edges fields: type: array items: type: object properties: fieldId: type: string fieldName: type: string fieldType: type: string isLookup: type: boolean tableId: type: string referencedFieldIds: type: array items: type: string required: - fieldId tables: type: array items: type: object properties: tableId: type: string tableName: type: string required: - tableId summary: type: object properties: sourceChangedAt: type: string nullable: true convergedAt: type: string nullable: true endToEndMs: type: number nullable: true live: type: boolean sourceFieldIds: type: array items: type: string required: - sourceChangedAt - convergedAt - endToEndMs - live - sourceFieldIds required: - targetId - storage - baseId - task - runChain - fields - tables - summary security: - bearerAuth: [] x-codeSamples: - lang: Shell source: |- curl --request GET \ --url https://app.teable.ai/api/admin/observability/computed-outbox/tasks/%7BtaskId%7D/lineage \ --header 'Authorization: Bearer REPLACE_BEARER_TOKEN' - lang: JavaScript source: >- const url = 'https://app.teable.ai/api/admin/observability/computed-outbox/tasks/%7BtaskId%7D/lineage'; const options = {method: 'GET', headers: {Authorization: 'Bearer REPLACE_BEARER_TOKEN'}}; try { const response = await fetch(url, options); const data = await response.json(); console.log(data); } catch (error) { console.error(error); } - lang: Node.js source: |- const http = require('https'); const options = { method: 'GET', hostname: 'app.teable.ai', port: null, path: '/api/admin/observability/computed-outbox/tasks/%7BtaskId%7D/lineage', headers: { Authorization: 'Bearer REPLACE_BEARER_TOKEN' } }; const req = http.request(options, function (res) { const chunks = []; res.on('data', function (chunk) { chunks.push(chunk); }); res.on('end', function () { const body = Buffer.concat(chunks); console.log(body.toString()); }); }); req.end(); - lang: Python source: >- import http.client conn = http.client.HTTPSConnection("app.teable.ai") headers = { 'Authorization': "Bearer REPLACE_BEARER_TOKEN" } conn.request("GET", "/api/admin/observability/computed-outbox/tasks/%7BtaskId%7D/lineage", headers=headers) res = conn.getresponse() data = res.read() print(data.decode("utf-8")) components: securitySchemes: bearerAuth: type: http scheme: bearer ````