Hello @Gabryel, Andrzej - Welcome to MS QnA, and thank you for posting here!
MS SQL & PostgreSQL are different databases, and unfortunately, there is no trigger available in the PostgreSQL connector as of today. For more info, please review the answer to a similar question here: https://learn.microsoft.com/en-us/answers/questions/252204/can39t-connect-to-an-azure-database-for-postgresql.html