* return the created schema to enter information
*
* @return schema added in order to work on it
*/
public XMPMediaManagementSchema createAndAddXMPMediaManagementSchema() {
XMPMediaManagementSchema xmpMM = new XMPMediaManagementSchema(this);
xmpMM.setAboutAsSimple("");
addSchema(xmpMM);
return xmpMM;
}