The meaning of this parameter is for WeChat to determine whether your application is installed on the current device. If you open the information shared by your application in WeChat and this parameter is 0, it should mean that your application is not installed on the device.
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The meaning of this parameter is for WeChat to determine whether your application is installed on the current device. If you open the information shared by your application in WeChat and this parameter is 0, it should mean that your application is not installed on the device.