* Receives the value of the ODFDOM attribute representation <code>PresentationEffectAttribute</code> , See {@odf.attribute presentation:effect}
*
* @return - the <code>String</code> , the value or <code>null</code>, if the attribute is not set and no default value defined.
*/
public String getPresentationEffectAttribute() {
PresentationEffectAttribute attr = (PresentationEffectAttribute) getOdfAttribute(OdfDocumentNamespace.PRESENTATION, "effect");
if (attr != null) {
return String.valueOf(attr.getValue());
}
return PresentationEffectAttribute.DEFAULT_VALUE;
}