Roles and permissions

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Template:Moodle 1.7Roles and capabilities in Moodle 1.7 onwards provides great flexibility in managing how users interact. Prior to Moodle 1.7, there were only six roles possible: guest, student, non-editing teacher, editing teacher, course creator, and administrator. Whilst these roles may still be used, it's now possible to create additional roles, and to change what a given role can do in a particular activity.

Definitions

Role
An identifier of the user's status. The status depends upon permissions given for one or more capabilities in a context.
For example Teacher and Student are standard user roles. The identifier indicates they probably have different capabilities in some contexts.
Capability
A description of a particular Moodle feature.
For example moodle/blog:create(creating blogs) or "Backup course" are two capabilities.
Permission
A setting for a capability. Can be any one of four: not set/inherit, allow, prevent or prohibit.
Context
A "space" in Moodle.
For example: a course, activity module or block can each be a context.
Some contexts can contain multiple contexts in their space, For example, a course can contain a lesson, assignment, forum and quiz modules, plus blocks.

See also