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IsNull

Checks to see if a value is null. See Home  for more information about null values.

Syntax

IsNull(value)

Enabled For

For a description of the business object categories, see Notes on "Enabled For".

Business Object Category Yes/No
Business Rules: Before-Save Rules Yes
Business Rules: Calculation Rules (After Save, with or without Also Recalculate on Load) Yes
Business Rules: Calculation Rules (Before Save or Always, without Also Recalculate On Load) Yes
Business Rules: Calculation Rules (Before Save or Always, with Recalculate On Load) Yes
Business Rules: Editing Rules Yes
Business Rules: Initialization Rules Yes
Business Rules: Read Only Rules Yes
Business Rules: Required Rules Yes
Business Rules: Validation Rules Yes
Client Expressions Yes
Object Permissions Yes
Services Yes
LDAP Yes
Mobile Yes
Quick Actions (except UI Quick Actions) Yes
UI Quick Actions Yes
Reports Yes
Search/Dashboard without field references Yes
Search/Dashboard with field references Yes

Parameter

value The input to evaluate.

Return Value

Boolean value. Returns true if the value parameter is null; otherwise, returns false.

Examples

IsNull("This is a test")

In the above example, the system returns false, because the input parameter is not null.

IsNull(null)

In the above example, the system returns true, because the input parameter is null.


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