Shopify how to create Price Rule through API in php

I'm using this SKD of shopify in laravel framework

"require": {

    "php": ">=5.6.4",
    "laravel/framework": "5.4.*",
    "laravel/tinker": "~1.0",
    "serbanblebea/php-shopify-laravel": "^1.0"
},

via Chebli Mohamed