About this task
Functions can be inserted into map rules.
To insert a function into a map rule:
Procedure
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Select the rule cell where you want to insert the function.
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If necessary, click in the Rule editor in the specific place where you want to
insert the function.
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Right-click in the Rule editor and click Insert Function on
the context menu.
The Functions view is displayed.
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If you know the function category, expand the category folder.
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Drag and drop the function you want to insert into the Rule editor.
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Insert another function if you want.
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You can optionally close the Functions view.
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In the Functions view, when you click a function, its
description and syntax information display.