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In ColdFusion, a variable is, very simply, a parameter that is assigned a value. You can use variables in ColdFusion applications in many different ways. You use variables in ColdFusion forms, for example, to hold data submitted in an application. Variables are essential in handling form inputs, for passing data from each field in a form to the application's ACTION page. These variables are also called dynamic parameters.
This section describes how to use ColdFusion variables, how to distinguish between the various types of variables, and how to create and delete ColdFusion variables.
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