# Gets the transaction extra field facts. **GET /api/TransactionExtraFieldFacts** This request should be used to retrieve information that is put on the custom fields (extra fields) for transactions for the specified engagement(s). The columns provided here will be the name of the extra field that is configured and it will be tied to the transactions using the Transaction_Key column. ## Servers - https://analyticsapi.adra.com/balancer: https://analyticsapi.adra.com/balancer () ## Authentication methods - Basic - Adra personal access token ## Parameters ### Query parameters - **engagement** (string) Short Guid of desired engagement Ex - ESXmkya-nEeWMX-7_3fSxA or Guid of desired engagement Ex - 45c31339-96d0-4262-b051-c00f392685c1 ## Responses ### 200 ### 404 Not Found ### 400 Bad Request ### 500 Internal Server Error [Powered by Bump.sh](https://bump.sh)