root/galaxy-central/tools/data_source/bed_convert.xml

<tool id="BED File Converter1" name="BED File Converter">
  <description>creates a bed or xbed file containing from text query</description>
  <command>noop</command>
  <inputs>
    <display>creates a bed or xbed file containing user assigned input of $input</display>
    <param format="tabular" name="input" type="data" />
    <param name="chrom" size="4" type="text" value="all" />
  </inputs>
  <outputs>
    <data format="bed" name="out_file1" />
  </outputs>
  <help>User specifies delimiter, header information, and column assignments and the file will be converted to BED or xBED.
</help>
</tool>