root/galaxy-central/lib/galaxy/datatypes/indexers/coverage.xml

<tool id="INDEXER_Coverage_0" name="Index Coverage for Track Viewer">
  <!-- Used internally to generate track indexes -->
  <command interpreter="python">coverage.py $input_dataset $store_path 2&gt;&amp;1
  </command>
  <inputs>
    <page>
      <param format="coverage" name="input_dataset" type="data" label="Choose coverage"/>
    </page>
   </inputs>
  <help>
  </help>
</tool>