Play the specified music after NFC is triggered.

The idea of ??creating this action is a little complicated. The first step is to select "NFC" when creating personal automation, then click "Scan" and point your phone at the NFC tag on the Bluetooth speaker (either it comes with it or it can be attached later). The second step is to perform the settings as shown below. The reason is that the iPhone can only play music to the connected Bluetooth device, so we need to connect the Bluetooth speaker first and then play the music