...báo:
* `1234567890`
* `ABCDEFGH123456`
* `Abcdefghijklmnopqrstuvwxyz`
### hashtags
* #Thông báo
* #Mã số
* #Tracking
* #Xử lý sự cố
* #examples
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### What is the notification code?
The notification code is a unique string of characters that is used to...