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There is a reference to the custom field in the board's JQL entries (Saved filter, Cardcolors, Quick filters, Subqueries, Swimlanes).
The custom field is configured and shown in the board's backlog or in the active sprints in the board's card layout.
The custom field is selected in the Estimation Statistic field of this agile board for statistical purposes.
The custom field is added as a field shown in the detail view of this agile board.
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