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Clicking on the link displays a wizard. The wizard will display the fields from your flow. Key and Saved fields have the same meaning for flows as for forms. Please refer to the Setup Key/Saved Fields documentation for forms for details on these fields.
Summary Fields
You may Check the individual fields to select the fields you want to appear in the Summary view if you have a Summary step in your flow.Only checked fields will appear in the Summary. There are also two checkboxes labeled "All" and "None" which will show all the fields or none of the fields, respectively.. Signature controls are excluded from the Summary Fields list.
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