if self.get_field('LogicalCapacityUsed') is not None:
            logical_capacity_used = self.get_field('LogicalCapacityUsed')
            l_capacity_used = doc.createElement('sr:LogicalCapacityUsed')
            l_capacity_used.appendChild(doc.createTextNode(str(logical_capacity_used)))
            ur.appendChild(l_capacity_used)