RXS_updVar()
Use this subprocedure to update the contents of a template engine variable defined in a section (e.g. <phone>.:phone:.</phone>)
Subprocedure Prototype
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        Replaces a specified template variable with a provided value.  | 
      
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        The name of the variable to replace with the value specified in the second parameter. Example:   | 
      
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        The value to replace the template variable’s place holder. Example:   | 
      
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        Specify *On for this parameter in order to trim the data of blanks at the beginning and end of the string or *Off to maintain the spaces as passed. Default Value:   |