There are two types of actions you can select from the drop-down box: select content or update (that is, update the content in the database).

从下拉框中可以选择两种类型的操作：Selectcontent或Update(即，更新数据库中的内容)。

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Select the Submap box between the two business objects and select Custom from the drop down list.

选择两个业务对象之间的submap框，并从下拉列表中选择Custom。

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Select the Submap box between the two business objects and select Custom from the drop down list.

选择两个业务对象之间的submap框，并从下拉列表中选择Custom。

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