rest 

The rest element indicates notated rests or silences. Rest are usually empty, but placement on the staff can be specified using display-step and display-octave elements.

Element Information

Model

display-step , display-octave
Children: display-octave, display-step

Source 

<xs:element name="rest" type="display-step-octave">
  <xs:annotation>
    <xs:documentation>The rest element indicates notated rests or silences. Rest are usually empty, but placement on the staff can be specified using display-step and display-octave elements.</xs:documentation>
  </xs:annotation>
</xs:element>

Sample