对于这些动作，数据类型直接对应它们代表的字段。
For these actions, the data types directly correspond to the field they represent.
其他类型的动作，例如多媒体控制按钮，则总是和程序的内容在一起显示。
Other types of actions, such as media control buttons, can be presented together with the content.
第二个参数始终为要在这个操作类型中执行的动作。
The second parameter is always the action to be performed within the operation type.
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