Cocos Trial Add SDK Operation Instructions

indow.smartad_sdk()
``
## Timing of Call
Call this SDK when the install button triggers a redirect;
[image](https://smartad.pro/imgs/uploads/20220513_1652422084_3jOaw.png)
ote: smartad_sdk() errors do not affect the normal operation of the playable ad, feel free to add it;
## What is the Install Button
The install button guides users to the app store to download the application when clicked, and should be present throughout the entire playable game, as shown below:
[image](https://smartad.pro/imgs/uploads/20220513_1652415571_uul0u.png)
## App Store URL and Platform Instructions
The app store URL does not need to be handled in the business logic code. The app store URL and distribution platform are set in Step 3 of the【Playable Packaging】tool;