code: public static ModelNode createWriteAttributeOperation(PathAddress address, String name, ModelNode value) {
          ModelNode operation = createAttributeOperation(ModelDescriptionConstants.WRITE_ATTRIBUTE_OPERATION, address, name);
          operation.get(ModelDescriptionConstants.VALUE).set(value);
          return operation;
      }
docs: Creates a write-attribute operation using the specified address, namem and value.
  @param address a resource path
  @param name an attribute name
  @param value an attribute value
  @return a write-attribute operation