I know this is an old dead question ... but, the issue still exists! The problem is that in the "alert_actions_base.py" wrapper file that is put in TA/bin/ta_name/alert_actions_base.py has get_user_credential defined to wrap get_credential_by_username and does not provide a wrapper for by_account_id.  Adding the definition below for get_user_credential_by_account_id from the ./aob_py3/splunktaucclib/alert_actions_base.py into the TA/bin/ta_name/alert_actions_base.py solves the issue an allows an alert action to request credentials by account id. def get_user_credential_by_account_id(self, account_id): """ if the account_id exists, return { "username": username, "password": credential } """ return self.setup_util.get_credential_by_id(account_id) Would love to see this change integrated into the next release of the add on builder! ... View more