ExternalAid (element)

 DDI

A pointer to an exteral aid presented by the instrument such as a text card, image, audio, or audiovisual aid. Typically a URN. Use type attribute to describe the type of external aid provided. Example of terms to use would include: imageOnly audioOnly audioVisual multiMedia.

Source

  <xs:element name="ExternalAid" type="r:OtherMaterialType">  </xs:element>