内容模型中的节点可以携带由com . ibm . portal . MetaData接口表示的元数据。

A node in the content model can carry meta data, represented with the com.ibm.portal.MetaData interface.

youdao

元数据的示例包括接口描述、端点地址和涵盖服务级别协议、安全关系等的策略。

Examples of metadata include interface descriptions, endpoint address, and policies covering service level agreements, security relationships, and so on.

youdao

描述这些接口的元数据定义预期的输入和属性，并能提供一些验证规则，比如字段是否是必需的。

The metadata that describes the interfaces defines expected inputs and attributes, and can provide validation rules, such as whether fields are required.

youdao