@Override
public Command createCommand(JSONArray inputJson, String model, Workspace workspace)
throws JSONException, KarmaException {
String hNodeID = CommandInputJSONUtil.getStringValue(Arguments.hNodeId.name(), inputJson);
String worksheetId = CommandInputJSONUtil.getStringValue(Arguments.worksheetId.name(), inputJson);
String hTableId = "";
this.normalizeSelectionId(worksheetId, inputJson, workspace);
String selectionName = CommandInputJSONUtil.getStringValue(Arguments.selectionName.name(), inputJson);
GroupByCommand unfoldCmd = new GroupByCommand(getNewId(workspace), model, worksheetId,
hTableId, hNodeID,
selectionName);
unfoldCmd.setInputParameterJson(inputJson.toString());
return unfoldCmd;
}