Prerequisites Ensure your site is available on a publicly accessible URL (use ngrok if testing locally) Testing Log in as admin Navigate to Plugins > Activity modules > External tool > Manage tools in site administration Press Configure a tool manually Create an LTI 1.1 external tool at the system admin level with the following values: URL of https://saltire.lti.app/tool consumer key of "moodle" (value does not actually matter) shared secret of "secret" set "Default launch container" to "New window" (optional) select the "IMS LTI Names and Role Provisioning" service (set to "User this service to retrieve members' information as per privacy settings"_ set "Share launcher's name with tool" to "Always" Create a user Create a course Enrol user in course as a student Add an instance of the new external tool to the course View the external tool activity you created From the "Service" dropdown menu select "Names and Role Provisioning": the service endpoint should be populated and the format set to "application/vnd.ims.lti-nrps.v2.membershipcontainer+json" Click on the "Read" button Click "Yes" when prompted to "View request message?" Click on the "Formatted response body" tab Confirm that the "members" array now contains the ext_user_username for each member