| 4D v18dataClassAttribute.mandatory | |||||||||||||||||||||||||||||||||||||||||||||||
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    4D v18
 dataClassAttribute.mandatory 
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| Parameter | Type | Description | ||||||
| dataClassAttribute.mandatory | Boolean |   | True if Null values are rejected | |||||
The dataClassAttribute.mandatory contains True if Null value input is rejected for the attribute.
This property is not returned if dataClassAttribute.kind = "relatedEntity" or "relatedEntities".
Note: For generic programming, you can use Bool(dataClassAttribute.mandatory) to get a valid value (false) even if mandatory is not returned.
Warning: This property corresponds to the "Reject NULL value input" field property at the 4D database level. It is unrelated to the existing "Mandatory" property which is a data entry control option for a table.
	Product:  4D
	Theme:  ORDA - DataClassAttribute
	
        
        
	
	Created:  4D v17 R5
	
	
	4D Language Reference ( 4D v18)
	
	
	
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