curl --request POST \
  --url https://api.trychroma.com/api/v2/tenants/{tenant}/databases/{database}/collections/{collection_id}/functions/attach \
  --header 'Content-Type: application/json' \
  --header 'x-chroma-token: <api-key>' \
  --data '
{
  "function_id": "<string>",
  "name": "<string>",
  "output_collection": "<string>",
  "params": "<unknown>"
}
'

{
  "attached_function": {
    "function_name": "<string>",
    "id": "<string>",
    "name": "<string>"
  },
  "created": true
}