Finds the keys in a struct.
        An array of keys; if structure does not exist, CFML
        throws an exception.
			
		
		
		
		Function STRUCTKEYARRAY
Example
structkeyarray(struct structure):array
Arguments
				The arguments for this function are set. You can not use other arguments except the following ones.
				
			
		
		
			| Name | Type | Required | Description | 
|---|---|---|---|
| structure | struct | Yes | Structure from which to extract a list of keys | 
