As admin install the filter_censor plugin . Access "Settings" of filter "Word censorship": "Site administration > Plugins > Manage filters" In "Custom bad words list", add the word "ass". Enable the "Word censorship" plugin and set "Apply to" to "Content and headings":  "Site administration > Plugins > Manage filters". Enable "Edit Mode" and add the "Recent accessed items" block to the Dashboard: Site administration > Appearance >  Default Dashboard page (if not already present) Enable web services Create a user Create a WS token for the user Create a course and create an assignment in it. Enrol user in course as student Login as the user, access the course and open the assignment. With this same user, go to Dashboard and check that the assign appears in the recent accessed items block. Now call the WebService block_recentlyaccesseditems_get_recent_items using this user's token. Use the following CURL command to test if the webservice works as required. Please note that the `$MOODLE_URL` and `$wstoken` are parameters that need to be filled by you. curl '$MOODLE_URL/webservice/rest/server.php?moodlewsrestformat=json' --data 'wsfunction=block_recentlyaccesseditems_get_recent_items&wstoken=$wstoken&moodlewssettingfilter=true' --compressed | python -m "json.tool" Confirm that the modname of the item is "assign" instead of "**ign", and that the "purpose" and "viewurl" properties are not filtered