The built-in drainage function of the iPhone can drain the water out after the phone is flooded, but many users do not know where this function is and how to use it. Today, macw will tell you how to use the iPhone drainage function. How to use shortcut commands to realize iPhone drainage function? 
1. Open the shortcut command, create a new shortcut command, give the shortcut command a name and add an icon. 
2. Create text, enter mobile phone drainage, or anything else you want to enter. 
3. Set the volume. 
4. Create a text and copy the text content into it.
The text content here is a piece of code. After decoding , it will produce a sound that can vibrate to achieve drainage. https://www.icloud.com/iclouddrive/0AFcJTcrfpAvxDxdIZWWarvOA
After opening the link, select the preview file and download a copy, then open it in the file, and copy the text of the drainage sound to the shortcut. 
5. Add a Base64 decoder, click Encode, and select Decode. 
6. Add playback sound. 
7. Select the text, and use the same steps to copy the content in the link to the text of the shortcut command. https://www.icloud.com/iclouddrive/031Py_GQrhNaGD7n22t1bIrZQ 
8. Select Base64 decoding again, click Encoding, and select Decoding. (The steps are the same as above)
9. Choose to play the sound (the steps are the same as above)
10. Finally, you can also set a display notification to show that the drainage has been completed.