WRFReader.xml

<ServerManagerConfiguration>

  <ProxyGroup name="internal_sources">
    <SourceProxy name="wrfreader" class="WRFReader" label="wrfreader">
		<StringVectorProperty
			  name="FileName"
			  animateable="0"
			  command="SetFileName"
			  number_of_elements="1">
		  <FileListDomain name="files"/>
		</StringVectorProperty>
		<Hints>
			<ReaderFactory extensions="wrf" file_description="WRF File Format" />
		</Hints>
	</SourceProxy>
  </ProxyGroup>

  <ProxyGroup name="sources">
	<SourceProxy name="WRFReader"
	  class="vtkFileSeriesReader"
	  si_class="vtkSIMetaReaderProxy"
	  label="WRF Reader"
	  file_name_method="SetFileName">

	  <Documentation short_help="Read WRF data" long_help="WRF data">
	  	Foo
	  </Documentation>

	  <SubProxy>
		<Proxy name="Reader" proxygroup="internal_sources" proxyname="wrfreader"></Proxy>
	  </SubProxy>

	  <StringVectorProperty name="FileNameInfo" command="GetCurrentFileName" information_only="1" >
		<SimpleStringInformationHelper />
	  </StringVectorProperty>

	  <StringVectorProperty
		name="FileNames"
		clean_command="RemoveAllFileNames"
		command="AddFileName"
		animateable="0"
		number_of_elements="0" 
		repeat_command="1">
		<FileListDomain name="files"/>

		<Documentation>
		  The list of files to be read by the reader. If more than 1 file is specified, 
		  the reader will switch to file series mode in which it will pretend that it 
		  can support time and provide 1 file per time step.
		</Documentation>
	  </StringVectorProperty>

	  <DoubleVectorProperty name="TimestepValues" repeatable="1" information_only="1">
		<TimeStepsInformationHelper/>
		<Documentation>
		  Available timestep values.
		</Documentation>
	  </DoubleVectorProperty>

	  <Hints>
		<ReaderFactory extensions="wrf" file_description="WRF files" />
	  </Hints>
	</SourceProxy>
  </ProxyGroup>
</ServerManagerConfiguration>