Contents > Developing ColdFusion MX Applications > Writing and Calling User-Defined Functions > Using UDFs effectively > Specifying the scope of a function About functions and scopes

About functions and scopes

Like ColdFusion variables, UDFs exist in a scope:

• When you define a UDF, ColdFusion puts it in the Variables scope.
• You can assign a UDF to a scope the same way you assign a variable to a scope, by assigning the function to a name in the new scope. For example, the following line assigns the MyFunc UDF to the Request scope:

  <cfset Request.MyFunc = Variables.MyFunc>
  

  You can now use the function from any page in the Request scope by calling Request.MyFunc.

Contents > Developing ColdFusion MX Applications > Writing and Calling User-Defined Functions > Using UDFs effectively > Specifying the scope of a function About functions and scopes

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