Test As admin, enable "Mobile services": Site administration ► Mobile app ► Mobile settings Create a Token in the mobile app service for any user in the site (not an admin account) Click on Site administration ► Plugins ► Web services ► Manage tokens Create one custom field (type short text) for courses via Site Administration > Courses > Course custom fields Create a couple of courses in the site setting some random and different values to the custom field you created Enrol the user you created the token for in those courses Go to Site Administration > Plugins > Blocks > Manage Blocks Ensure that the Course overview block is enabled Open the settings of the block and enable the option: "Custom field" and select from the dropdown menu the course custom field you created before Now, as the user you created the token for in step 2 access the web site Go to dashboard and check that you see the "Course overview" block. #Confirm that: Among the course filters you will see the custom field values you typed for the courses Open the console an execute this new curl request, replacing wstoken with the token you just created and the site url with yours. curl 'http://localhost/m/stable_master/webservice/rest/server.php?moodlewsrestformat=json' --data 'wsfunction=core_block_get_dashboard_blocks&wstoken=WSTOKEN' | python -m "json.tool" Please confirm that: In the curl response you see the list of blocks in the user Dashboard For the "courseoverview" block you see a field named "customfieldsexport" that is a JSON encoded string that contains all the course custom fields values you entered when you created the courses