---
title: "Get Rule Chain output labels (getRuleChainOutputLabels)"
method: GET
path: "/api/ruleChain/{ruleChainId}/output/labels"
tags: ["rule-chain-controller"]
---

# Get Rule Chain output labels (getRuleChainOutputLabels)

`GET /api/ruleChain/{ruleChainId}/output/labels`

Fetch the unique labels for the "output" Rule Nodes that belong to the Rule Chain based on the provided Rule Chain Id. The rule chain object is lightweight and contains general information about the rule chain. List of rule nodes and their connection is stored in a separate 'metadata' object.

Available for users with 'TENANT_ADMIN' authority.

## Path parameters

- `ruleChainId` string, required

## Response `200`

OK

- string[]

---

[API](https://skmtc.net/thingsboard/apis/thingsboard-rest-api.md) · [All operations](https://skmtc.net/thingsboard/apis/thingsboard-rest-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/thingsboard/thingsboard-rest-api/revisions/40169ccdec5c/schema)