The script returns True when the number of direct group members exceeds a certain limit. Run the script in the If PowerShell script returns true condition of a business rule, custom command or scheduled task configured for the Group object type.
In the script, the $maxMembers variable specifies the number of members that should be exceeded for the condition to be met.
PowerShell
$maxMembers = 500 # TODO: modify me
# Get group member GUIDs
try
{
$memberGuidsBytes = $Context.TargetObject.GetEx("adm-MembersGuid")
}
catch
{
# The group has no members
$Context.ConditionIsMet = $False
return # Exit script
}
$Context.ConditionIsMet = $memberGuidsBytes.Length -ge $maxMembers