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Preview

The Preview field adds a tiny icon to each row on the Index view that, when hovered, it will display a preview popup with more information regarding that record.

ruby
field :preview, as: :preview

Define the fields

The fields shown in the preview popup are configured similarly to how you configure the visibility in the different views.

When you want to display a field in the peview popup simply call the show_on :preview option on the field.

ruby
  field :name, as: :text, show_on :preview