---
title: "Link a location group to another landmark group. If the passed in"
method: PUT
path: "http://localhost:8000/{project_id}/landmarks/groups/links/"
tags: ["landmarks"]
---

# Link a location group to another landmark group. If the passed in

`PUT http://localhost:8000/{project_id}/landmarks/groups/links/`

Link a location group to another landmark group. If the passed in
groups already are in relation to each other using the passed in
relation, no new link is created. Instead, the existing link will be
returned. A flag in the result indicates whether the returned object is
new.

## Path parameters

- `project_id` string, required

## Response `200`

OK

---

[API](https://skmtc.net/catmaid/apis/catmaid-api.md) · [All operations](https://skmtc.net/catmaid/apis/catmaid-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/catmaid/catmaid-api/versions/adc1c7c5eefe/schema)