public JSONObject suspendContract(String reference, HashMap<String, String> params) throws JSONException {   
        return oClient.put("/hr/v2/contracts/" + reference + "/suspend", params);
    }
public JSONObject suspendContract ( String reference , HashMap < String , String > params ) throws JSONException { return oClient . put ( "/hr/v2/contracts/" + reference + "/suspend" , params ) ; }
Suspend Contract

@param   reference Contract reference
@param   params Parameters
@throws	JSONException If error occurred
@return	{@link JSONObject}