         if self.data.data
           unless self.data.data[field] && _.isEqual(self.data.data[field], value)
             setChanged()
+            
+            # Push field to `changedFields` array.
+            changedFields.push(field)
 
         # If no initial data was provided, trigger `changed` because it's a new value.
         else

    # Store validated element values as local data (can't submit invalid data anyway)

    validatedValues = {} # (non-reactive)

    self.setValidatedValue = (field, value) ->


        success: setSuccess
        failed: setFailed

      self.data.action.call(validatedValues, formElements, callbacks, changedFields)

    return

