       'interaction_pairs',
       'monotone_constraints',
       'start_column',
-      'stop_column'
+      'stop_column',
+      'target_column',
+      'encoded_columns'
     ], findFormField
 
     if trainingFrameParameter
-      if responseColumnParameter or ignoredColumnsParameter
+      if responseColumnParameter or ignoredColumnsParameter or targetColumnParameter
         act trainingFrameParameter.value, (frameKey) ->
           if frameKey
             _.requestFrameSummaryWithoutData frameKey, (error, frame) ->

  switch parameter.type
    when 'enum', 'Key<Frame>', 'VecSpecifier'
      createDropdownControl parameter
    when 'string[]'
      createListControl parameter
    when 'boolean'
      createCheckboxControl parameter

      interactionPairsParameter,
      monotoneConstraintsParameter,
      startColumnParameter,
      stopColumnParameter,
      targetColumnParameter,
      encodedColumnsParameter
    ] = map [
      'training_frame',
      'validation_frame',
