vtkCenterOfMassFilter.xml

<ServerManagerConfiguration>
  <ProxyGroup name="filters">

    <SourceProxy name="CenterOfMass" 
                 class="vtkCenterOfMassFilter" 
                 label="Center Of Mass">
      <Documentation
         long_help="Finds the center of mass of all particles. Fully parallel."
         short_help="Finds center of mass.">
      </Documentation>

      <InputProperty
         name="Input"
         command="SetInputConnection">
        <ProxyGroupDomain name="groups">
          <Group name="sources"/>
          <Group name="filters"/>
        </ProxyGroupDomain>
        <InputArrayDomain name="input_array">
        </InputArrayDomain>
        <DataTypeDomain name="input_type">
          <DataType value="vtkPointSet"/>
        </DataTypeDomain>
      </InputProperty>

      <StringVectorProperty
          name="SelectInputArray"
          command="SetInputArrayToProcess"
          number_of_elements="5"
          element_types="0 0 0 0 2"
          animateable="0">
        <ArrayListDomain name="array_list"
                         attribute_type="Scalars">
          <RequiredProperties>
            <Property name="Input" function="Input"/>
          </RequiredProperties>
        </ArrayListDomain>
        <FieldDataDomain name="field_list">
          <RequiredProperties>
            <Property name="Input" function="Input"/>
          </RequiredProperties>
        </FieldDataDomain>
        <Documentation>
          This property indicates which scalar array contains the mass of the particles.
        </Documentation>
      </StringVectorProperty>
      <Hints>
        <Visibility replace_input="0" />
      </Hints>
    </SourceProxy>

  </ProxyGroup>

</ServerManagerConfiguration>