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isusermemberofgroup_21r2 Function

This page contains information related to an old version of the a!isUserMemberOfGroup() Function.

To take advantage of the latest features and improvements, we always recommend you use the latest version whenever possible. See the latest version's page for information about what's been changed.


isusermemberofgroup_21r2( username, groupId )

Identifies whether or not a user belongs to a group.


Keyword Type Description



The username to check for group membership.



The Id of the group.



Usage considerations

Returns true when the user belongs to the specified group, except when security rules prohibit users from knowing this information.

For example, this function returns false to keep membership awareness secure in the following instance:

  • A high privacy group is passed in AND
  • A user other than the logged in user is passed in AND
  • The function is executed within the context of a basic user who is not an administrator of the high privacy group

A basic user is not allowed to know whether another user is a member of such groups.

isusermemberofgroup_21r2() cannot be used to define a column of process report data or in a process event.


You can copy and paste these examples into the Expression Rule Designer to see how this works.

isusermemberofgroup_21r2("john.doe",2) returns false

Feature compatibility

The table below lists this function's compatibility with various features in Appian.
Feature Compatibility Note
Portals Partially compatible

Can be used with Appian Portals if it is connected using an integration and web API.

Offline Mobile Compatible
Sync-Time Custom Record Fields Incompatible
Real-Time Custom Record Fields Incompatible
Process Reports Incompatible

You cannot use this function to configure a process report.

Process Events Incompatible

You cannot use this function to configure a process event node, such as a start event or timer event.

isusermemberofgroup_21r2 Function