Scenario 1 - Group names Access a course with groups (And groupings optionally). Create a URL activity with the base url as http://urlparams.com Expand URL variables and set it to have a parameter called  groups and then select  Group names from the variable dropdown Save the activity Open the activity with a user who is in multiple groups in this course Result: The URL has as many parameters with the group names as there are groups. For all groupings. e.g.:  http://urlparams.com?groups[]=<URL encoded Group name 1>&groups[]=<URL encoded Group name 2>... Scenario 2 - User profile fields Access the URL activity settings Enable the use of  Custom profile fields and save the form Create several profile fields and populate them for a user. Only these fields can be added to the URL: checkbox menu datetime text Create a URL activity with the base url as http://urlparams.com Expand URL variables and set it to have a parameter called custom1  and then select one of the new custom profile fields under the User group You can repeat the previous step for other custom fields, e.g. custom2, custom3, ... Save the form Open the activity with a user who has data in these fields Result: The URL has parameters and values for each one of the configured user profile fields e.g.:  http://urlparams.com?custom1=<URL encoded profile field 1>&custom2=<URL encoded profile field 2>...