     SHOW_SAVE_BUTTON: true
     WARN_IF_UNSAVED: true # this is on navigation away
     FORCE_BOTTOM_SUBMIT: true
+    REQUIRED_DEFAULT: false
 
     UNLISTED_FIELDS: [
      'submit_button'

      attrs = {}
      _.pathAssign(attrs, Formbuilder.options.mappings.LABEL, 'Untitled')
      _.pathAssign(attrs, Formbuilder.options.mappings.FIELD_TYPE, field_type)
      _.pathAssign(attrs, Formbuilder.options.mappings.REQUIRED, false)

      Formbuilder.fields[field_type].defaultAttributes?(attrs) || attrs


      setter = {}
      setter[Formbuilder.options.mappings.LABEL]       = 'Submit'
      setter[Formbuilder.options.mappings.FIELD_TYPE]  = 'submit_button'
      setter[Formbuilder.options.mappings.DESCRIPTION] = 'Submit'
      newSubmit.set(setter)
      @collection.push(newSubmit)
