Attribute-based access control

When an additional condition of access check is created, the predefined functions of attribute-based access control method can be used, they are given in the table:

Name	Brief description
Count	It returns the number of values in the array of custom attribute of subject or object, and also the number of the groups, which contain the user.
FindAttr	It searches for attribute by the specified property in the list of the groups, which contain the user, and returns value of the specified property of found attribute.
Interseca	It searches for common values in compared arguments and returns True or False.
Intersecc	It searches for common values in compared arguments by the specified attribute property and returns True or False.
Is_Empty	It determines whether value of custom attribute of subject or object is empty, and returns True or False.