How is this different from a mirror column?

Mirror columns are read-only reflections — you can't edit them, use them in formulas, or reference them in automations. This action copies the value to a real editable column, unlocking all of those capabilities.

Does the value stay in sync when the source changes?

Yes, if you pair it with a trigger that fires when the connected item changes. The action copies the current value each time it runs, so it stays as up-to-date as your trigger configuration allows.

Which column types can I copy from a connected item?

You can copy text, numbers, dates, status labels, and people columns. Match the target column type on your board to the source column type on the connected board.

Action

Copy Connected Column Value

“Copy a column value from a connected item to this board”

Pull data from a connected item on another board into a column on this board. Like a mirror column but editable — use the data in formulas, automations, and filters.

Use Cases

Pull the client's contract value from the CRM board into the project board for budget calculations

Copy a connected item's priority into a local column for filtering and sorting

Bring the delivery date from a vendor board into your planning board

Real-World Example

Your Project board is connected to a Client board. When a project is created, this action copies the client's contract tier from the Client board into a local 'Tier' column. Unlike a mirror column, this value is editable and can be used in formula columns, automation conditions, and board views.

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