public HashMap<String, Object> toParamMAP()
	{
		HashMap<String, Object> requestBody = new HashMap<String, Object>();
		
		if(milestone != null)
		{
			requestBody.put("milestone_id", milestone.getId());
		}
		if(name != null)
		{
			requestBody.put("name", name);
		}
		if(flag != null)
		{
			requestBody.put("flag", flag);
		}
		if(status != null)
		{
			requestBody.put("status", status);
		}
		
		return requestBody;
	}