grtjn/Corona — comment on commit 5684c065103d22caa8a93bac38354d166e724d3b
File: config/endpoints.xqy line 28
By isubiker:

The txid can't be marked as required because it isn't required. If a user wants to insert a document under it's own automatically created and committed transaction (the default and most common behavior) they do so by not specifying a txid in the request.