As admin set the global enablecompletion setting to enabled (in Site administration > Advanced features) Create one course C1 * C1 with enablecompletion set to 1 Go to the C1 main page, and via the "Cog" open the "Course completion" option and Enable the "Condition: Course grade" using a required course grade of 50 Create two users U1 and U2 Enrol U1 as students in C1 Enrol U2 as teacher in C1 Enable "Mobile services": Site administration ► Mobile app ► Mobile settings Create a Token in the mobile app service for all the users Click on Site administration ► Plugins ► Web services ► Manage tokens Open the console an execute this new curl request, replacing wstoken with the token for U1 and the site url with yours. Replace also the userid to mach U1 one curl 'http://localhost/m/stable_master/webservice/rest/server.php?moodlewsrestformat=json' --data 'wsfunction=core_enrol_get_users_courses&wstoken=3af67232a7596ceb658df4db329e5ad6&userid=19' --compressed | python -m "json.tool" After executing the WS check that: You receive the course you are enrolled: C1 C1 field completionusesrtracked is set to true Now, execute the same CURL request but using the U2 token (keeping the original userid) and check that C1 field completionusesrtracked is set to false