Developing Apama Applications > Developing Apama Applications in Event Modeler > File Definition Formats > Function definition file format > Defining metadata in function definition files > Defining the description element
Defining the description element
After the version element, there is a description element that describes what the function does. The text you enter in the description element appears in the middle pane of the Function Catalogs panel. For example:
<description>
   Convert a string to a number, and return the number.
</description>
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