1. Open the Form Builder page.
  2. Navigate to the section after which you would like to insert your new section.
  3. Click on the New Section link , from the Form Structure pane, 

A new empty section is added directly underneath the currently selected section.

  1. Click on the Section Header to give it a label and press enter to give the section a name.
  2. A Grid is added by default for adding new field controls.