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Clicking the pin icon will:
switch its state from pinned to unpinned and vice versa
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Hovering the collapse/expand area switches it to hover state.
When the pane is expanded, clicking the area switches it to the collapsed state.
When the pane is collapsed, clicking the area switches it to the expanded state.
When unpinned, clicking anywhere outside the pane will close it.
Validations and Errors
The details pane itself does not require special validations.
For validations and errors related to content, see Field Validation.
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