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.