Step 1: Select + Add New, Standard Field

Step 2: Fill in the details below and select Add Field

N.B. See section 1.4 on managing condition-based fields.

Another way to add additional fields is the Quick Add button

Step 1: Select + Quick Add Section Fields

Step 2: Add in Field Labels and select the Field Type. Select Update Section when complete. 

Step 3: Fields can be edited by selecting the edit button beside the field, within the template.