ArrayIsdefined()

Determines if the value at the given index has been assigned

BOOLEAN = ArrayIsdefined(
				
					
					
						array, 
					
				
					
					
						index
					
				
				)

Argument	Summary
array	Array Object
index	Position index to check

Supports named-parameter calling allowing you to use the function like:

ArrayIsdefined(
   array=?, 
   index=?
);

Supports passing parameters as a structure using ArgumentCollection:

ArrayIsdefined( ArgumentCollection={
   array : ?, 
   index : ?
} );