Is_Empty(Value: Variant)
Value. Attribute:
SUBJECT.<attribute identifier>. Subject custom attribute.
OBJECT.<attribute identifier>. Object custom attribute.
For details see the Creating Custom Attributes section.
It determines whether value of custom attribute of subject of object is empty, and returns the value:
True. Custom attribute of subject or object contains empty value.
False. Custom attribute of subject or object does not contain empty value.
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