![participants participants](https://whitecloud-solutions.com/wp-content/uploads/2017/06/motivatorshands.png)
To remove a role assignment, click the delete icon (a cross) next to the role name.To assign an enrolled user a role, click the pencil icon in the Roles column then select the desired role and click the save icon to confirm the change.It is possible to bulk select, edit and delete users who have self enrolled, in a similar way to users who have been enrolled manually. A\_B will find users starting exactly with 'A_B'.A_B will find all the users starting with an A, followed by any character and then B (i.e.These wildcards can be escaped, if needed, to search users containing them, using a backslash '\': _ The underscore represents a single character (Note: MS Access uses a question mark '?' instead of the underscore '_').% The percent sign represents zero, one, or multiple characters.Some of the searchable fields, such as username, first name and last name, allow you to use wildcards to represent one or more characters. You can also search users by any of the fields defined in the "Show user identity" setting. More than one may be selected, with the option to filter 'Any' or 'All':
![participants participants](https://tarotmancia.com/wp-content/uploads/2022/07/Tumors-Disappear-in-All-Participants-in-Small-Cancer-Drug-Trial.png)
The filter at the top left of the screen allows for filtering by period of activity, enrolment method, group, roles, status and keyword. Users may be enrolled from the Enrol users button at the top right and bottom right of the screen. The Participants link can be accessed from Course navigation in the Boost theme or the Administration block in other themes. The Participants link enables teachers to easily enrol, view, search for, filter, edit and delete course participants. 8 Sending a message, adding a note, downloading or editing enrolments.