In the Details section of the Properties view for the new variable, ensure Data type is checked, click Browse, and then select Boolean from the list of types.
在新变量的Properties视图的Details部分，确保选中了Data Type，单击Browse，然后从类型列表中选择boolean。
In the What's Next section, select View widget details.
在Whats Next区域，选择View widget details。
To do this, select the Servers view tab in the lower right section of the workspace.
为此，选择工作区右下角的 Servers view 选项卡。
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