# Put an asset in a collection

`PUT /assets/collections/{id}/items/{assetId}` · Rivier · files

Put an asset in a collection.

- Scope: files:write
- Mcp: rivier_assets_collection_items
- Graphql: Mutation.filesCollectionAddItem
- Sdk: files.collection.addItem
- Cli: files collection add item

## Parameters

- `id` (path, required), string
- `assetId` (path, required), string

## Request body

`application/json`

```json
{
  "type": "object",
  "properties": {
    "position": {
      "type": "integer",
      "minimum": 0
    },
    "role": {
      "type": "string",
      "maxLength": 40
    }
  },
  "additionalProperties": false
}
```

## Responses

- `200`: Success
- `400`: The request was malformed
- `401`: No valid credential
- `403`: The credential lacks the scope, origin or address
- `429`: Over the key's rate limit; see Retry-After

## Example

```sh
curl -X PUT 'https://api.rivier.ai/assets/collections/{id}/items/{assetId}' \
  -H 'Authorization: Bearer $KEY' \
  -H 'Content-Type: application/json' \
  -d '{
  "position": 0,
  "role": "string"
}'
```