> For the complete documentation index, see [llms.txt](https://developer.collibra.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://developer.collibra.com/api/references/technical-lineage/technical-lineage.md).

# Technical Lineage

Technical Lineage operations

## Starts technical lineage harvester

> Starts technical lineage harvester for database asset id provided in request.

```json
{"openapi":"3.0.3","info":{"title":"Collibra Catalog Technical Lineage API","version":"1.0"},"tags":[{"name":"Technical Lineage","description":"Technical Lineage operations"}],"servers":[{"url":"/rest/catalog/1.0","variables":{}}],"security":[{"oauth2":["dgc.catalog","dgc.technical-lineage"]}],"components":{"securitySchemes":{"oauth2":{"type":"oauth2","description":"Collibra REST API authentication using OAuth 2.","flows":{"clientCredentials":{"tokenUrl":"/rest/oauth/v2/token","scopes":{"dgc.admin":"Admin scope","dgc.global-manage-all-resources":"Globally manage all resources.","dgc.dsm":"Data Stewardship Manager","dgc.technical-lineage":"Access technical lineage.","dgc.view-all":"view all resources.","dgc.catalog":"Use Collibra Catalog.","dgc.bsg":"Business Semantic Glossary"}}}}}},"paths":{"/technicalLineage/harvester/{assetId}":{"post":{"tags":["Technical Lineage"],"summary":"Starts technical lineage harvester","description":"Starts technical lineage harvester for database asset id provided in request.","operationId":"triggerHarvester","parameters":[{"name":"assetId","in":"path","required":true,"schema":{"type":"string","format":"uuid"}}],"responses":{"202":{"description":"The lineage harvester has been started."}}}}}}
```