### **BSL.GetRegistrationID('callbackMethod')** 获取极光的RegistrationID | 参数 | 必填 | 说明 | | --- | --- | --- | | callbackMethod | 是 | 自定义回调函数 | ``` <script type="text/javascript"> function ver(r){ alert(r); } </script> <a href="#" onclick="BSL.GetRegistrationID('ver')">获取极光的RegistrationID</a> ```