Enable the "Disable mobile web services call log" config in "Site Administration / Mobile App / Mobile Settings" Use postman to make webservice calls locally Import the file as an attachment in postman Change the password and username of the url http: //localhost/moodle/login/token.php  Click on Send Retrieve the token in the response and copy it to the url token http://localhost/moodle/webservice/rest/server.php?moodlewsrestformat=json Click on Send  go to the database or in the Moodle interface and check that the webservice type "\core\event\webservice_function_called" is not there Disable config and run the same webservice calls again  This time, check that they are registered in the log table Run unit tests : vendor/bin/phpunit webservice/tests/lib_test.php