how to get yii 1 post method working with postman

Question

I am building restful api for android app using postman, but in postman only get method is working complete code is here https://github.com/arvindsinghs/GT/blob/master/apicontroller this method work if i sent parameters $atts = \Yii::$app->request->get();

but if it changed it to post method and try to send paramerts in body it is not working $atts = \Yii::$app->request->post();

Any help is appreciated.