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Click the Import Hierarchy button on the Manage Hierarchies page
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Upload the hierarchy.txt and click the Next button
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Select the new Jira Project(s) and Issue Types you want to attach the imported Hierarchy Nodes to
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You can import data from the Summary, Description, Assignee, Reporter, and Priority fields. To skip one of these fields select the ‘Do not map this item’ option in the next dialog and click the Create Hierarchy button.
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Select the new Hierarchy Name and save the imported Hierarchy.
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