Is_Empty

Syntax

Is_Empty(Value: Variant)

Parameters

Value. Attribute:

For details see the Creating Custom Attributes section.

Description

It determines whether value of custom attribute of subject of object is empty, and returns the value:

Example

Formula Result
= Is_Empty(OBJECT.ATTR_OBJ) The function returns True if the object custom attribute with the ATTR_OBJ attribute contains empty value, otherwise it returns False.
= Is_Empty(SUBJECT.ATTR_USER) The function returns True if the subject custom attribute with the ATTR_USER attribute contains empty value, otherwise it returns False.

See also:

Functions Available in Expression Editor | Attribute-Based Access Control | IABACUtils.Is_Empty