The Hidden field can be used to store information that should not be visible to the user but can be processed and stored with the user submission. It is available under the Standard Fields section within the form editor.
Hidden field as displayed in the Field Library
Hidden field as displayed in the Form Editor.
This field uses only common field settings for the General, Appearance, and Advanced settings. For a description of each of the common field settings, refer to this article. Below you will find description of specialty settings that are particular to this field.
For more information on the use of merge tags, refer to these articles.
This merge tag does not have any modifiers.