---
title: "Add Metadata or Subjects to an Entity in a Collection"
method: POST
path: "/collections/{collection_id}/collected_metadata/{cgm_id}"
tags: ["Collections"]
---

# Add Metadata or Subjects to an Entity in a Collection

`POST /collections/{collection_id}/collected_metadata/{cgm_id}`

List of user created metadata for entities within a collection.
#### Permissions
To edit this collection a user must have collections write permissions
#### Returns
Returns a JSON object containing `data` and `links` keys.

The `data` key contains an array of nodes ids.
The `links` key contains a dictionary of links that can be used for [pagination](#tag/Pagination).

## Path parameters

- `collection_id` string, required
- `cgm_id` string, required

## Request body

- object

## Response `201`

OK

---

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