TEXT type
Variables of the TEXT type work the same way as Custom Variables, but only for Hierarchy, which it created in.
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After clicking the Apply Hierarchy button the USER type of Variables will be shown on the Confirmation dialog the same way as it is for the TEXT type of Variables, so it is easy to change the Default Value to another user.
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USER type
Variables of the USER type contain the selected User id so it can be used in the user picker types of fields:
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