parameterExists

This function is deprecated. Use the IsDefined or StructKeyExists functions. Determines whether a parameter exists. ColdFusion does not evaluate the argument.

parameterExists(name)

The parameterExists function is DEPRECATED as of ColdFusion 6

parameterExists Argument Reference

region
Required

Name of the cache region.

Compatibility

ColdFusion:

DEPRECATED since version 6

Examples sample code invoking the parameterExists function


Tag Syntax

<CFIF parameterExists(FORM.myString)> 
 <P>Using parameterExists, we have shown that the FORM field 'myString' now exists.  However, this function is provided for backward compatibility and the function IsDefined should be used instead, as below. 
 </CFIF> 

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