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Object Functions objects

Is null isNull

The isNull function determines if an object reference does not exist.

Syntax

{%= isNull(object) %}

Example

The following operation checks if the person鈥檚 home address does not exist.

{%= isNull(person.homeAddress) %}

Is not null isNotNull

The isNotNull function determines if an object reference exists.

Syntax

{%= isNotNull(object) %}

Example

The following operation checks if the person鈥檚 home address exists.

{%= isNotNull(person.homeAddress) %}