public HashMap<String, Object> toParamMAP()
	{
		
		HashMap<String, Object> requestBody = new HashMap<String, Object>();
		
		if(name != null)
		{
			requestBody.put("name", name);
		}
		if(startDate != null)
		{
			requestBody.put("start_date", startDate);
		}
		if(endDate != null)
		{
			requestBody.put("end_date", endDate);
		}
		if((Long)ownerId != null)
		{
			requestBody.put("owner", ownerId);
		}
		if(flag != null)
		{
			requestBody.put("flag", flag);
		}
		
		return requestBody;
	}