* Receives the value of the ODFDOM attribute representation <code>AnimSubItemAttribute</code> , See {@odf.attribute anim:sub-item}
*
* @return - the <code>String</code> , the value or <code>null</code>, if the attribute is not set and no default value defined.
*/
public String getAnimSubItemAttribute() {
AnimSubItemAttribute attr = (AnimSubItemAttribute) getOdfAttribute(OdfDocumentNamespace.ANIM, "sub-item");
if (attr != null) {
return String.valueOf(attr.getValue());
}
return null;
}