Difference between revisions of "Roles and permissions"

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{{Roles and capabilities}}
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{{Managing a Moodle site}}
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A role is a collection of permissions defined for the whole system that you can assign to specific users in specific contexts. The combination of roles and context define a specific user's ability to do something on any page.  The most common examples are the roles of student and teacher in the context of a course.  
Roles are groups of permissions.  Users are assigned roles in specific [[Context|contexts]]. The combination of roles and context define a specific user's ability to do something on any page.  The most common examples are the roles of student and teacher in the context of a course.  
 
  
:'''Note:''' Sometimes the terms "capabilities" and "permissions" are used to mean "the ability to do something".  Technically, they are different. A capability is an action created in the code (edit a quiz). Permissions are assigned to the capability.
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*[[Managing roles]]
 
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*[[Roles settings]]
==Definitions==
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*[[Using roles]]
;Role
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*[[Standard roles]]
:An identifier of the user's status within each [[Context]]. The status depends upon permissions given for one or more capabilities in any given context. A role can often change within different contexts. 
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*[[Creating custom roles]]
::For example Teacher and Student are standard user roles. These roles probably have different capabilities in some contexts but may share permissions in the other.
 
:When Moodle is first installed, a number of [[Standard roles]] are created automatically.
 
;Capability
 
:A description of a particular Moodle feature. A list of many capabilities can be seen in the [https://docs.moodle.org/en/Category:Capabilities capability category index page].
 
::For example [[Capabilities/moodle/blog:create|moodle/blog:create]](writing blog entries) or "Backup course" are two capabilities. 
 
::Note: the "<nowiki>mod/blog:create</nowiki>" notation is a common to identify a capability.
 
;[[Manage_roles#Permissions|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.
 
 
 
[[Image:context.png|center|thumb|150px|Each context can assign a different role to a User]]
 
  
 
==See also==
 
==See also==
  
*[[Useful things a teacher can do with roles]]
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*[[Roles FAQ]]
*[[Development:Roles administration improvements for Moodle 2.0]]
 
*[[How permissions are calculated]]
 
*[[:Category:Capabilities]]
 
*Using Moodle [http://moodle.org/mod/forum/view.php?id=6826 Roles and Capabilities forum]
 
  
 
[[Category:Roles]]
 
[[Category:Roles]]

Revision as of 09:20, 20 October 2011

A role is a collection of permissions defined for the whole system that you can assign to specific users in specific contexts. The combination of roles and context define a specific user's ability to do something on any page. The most common examples are the roles of student and teacher in the context of a course.

See also