List Extension relationships for a Library

GET  /libraries/:library_id/relationships/extensions

curl https://reactor.adobe.io/libraries/:library_id/relationships/extensions \
  -H "Accept: application/vnd.api+json;revision=1" \
  -H "Content-Type: application/vnd.api+json" \
  -H "Authorization: Bearer [TOKEN]" \
  -H "X-Api-Key: [KEY]" \
  -H "X-Gw-Ims-Org-Id: [ORG_ID]" \
  -X GET
  

{
  "data": [
    {
      "type": "extensions",
      "id": "EX602e68bb12c540628833ddd53ab5d4dc"
    }
  ],
  "links": {
    "related": "https://reactor.adobe.io/libraries/LB92ea49fb08044c4dae689a185f90deda/extensions",
    "self": "https://reactor.adobe.io/libraries/LB92ea49fb08044c4dae689a185f90deda/relationships/extensions"
  }
}