Create an XML file to define the function metadata of one more custom functions. Use the structure of the plug-in DTD file when you create or modify the plug-in XML file. The plug-in DTD file, plugin.dtd, is stored in the PowerCenter Client directory. Use any tool that can create an XML file. When you create the repository plug-in file, provide a new name for the file.
The following figure shows the structure of plugin.dtd: