mod_quiz_get_attempt_review returns a translated errorcode if attempt cannot be reviewed

As admin, enable "Mobile services": Site administration ► Mobile app ► Mobile settings Create a new quiz in a course with just a question (or use an existing one). In "Review options", disable all the options except the ones in "Immediately after the attempt". As student, start and finish an attempt. Wait 2 minutes. Create a Token in the mobile app service for the student user Click on Site administration ► Plugins ► Web services ► Manage tokens Open the console an execute this new curl request, replacing wstoken with the token you just created and the site url with yours and the attempid with the id of the attempt (you can retrieve it from the Moodle database or get the id from the link from the Moodle web interface link "Review attempt") curl 'http://localhost/m/stable_master/webservice/rest/server.php?moodlewsrestformat=json' --data 'wsfunction=mod_quiz_view_attempt_review&wstoken=3af67232a7596ceb658df4db329e5ad6&attemptid=12' | python -m "json.tool" Check that among the returned data you see an "errorcode": "noreview", Confirm that you see "You are not allowed to review this quiz" in "message" and "debuginfo" (if debugging is enabled).