Loads an XML property that is a child of the root data being loaded.

        :param      xprop | <xml.etree.ElementTree.Element>

def loadXmlProperty(self, xprop):
        """
        Loads an XML property that is a child of the root data being loaded.

        :param      xprop | <xml.etree.ElementTree.Element>
        """
        if xprop.tag == 'property':
            value = self.dataInterface().fromXml(xprop[0])
            self._xmlData[xprop.get('name', '')] = value