For each Form Field you can choose a control type that will render this field on form. This can be choosed from Field Type dropdown:

Below you can find additional configuration details about each of control types.

Note: Not all fields types can be used on each form field - it depends on form field source (SharePoint / Workflow Variable) and source type (e.g. Number / Text etc.).

Note: All of common configuration parameters for all fields are described in Form Fields section.

Default SharePoint Field Control

This can be selected if you have chosen a SharePoint List Item Field as a source for this form field. Configuration and parameters of this field are automatically taken from SharePoint List Field configuration.

Single line of text

For this type of field control you can only select if should be read only/required, choose max number of characters and provide default value.