Automation Rule to put mobile number in the SMS Notification Box for Royal Mail

[Callet]

Please, please, please can we have an automation rule to simply put the mobile number in the SMS Notification Box for Royal Mail.

I've asked for this over the years but nothing ever happens...
You should try copying and pasting this for every single order - it's not fun.

Steve

[Callet]

You finally did it! - Thank you, this makes life so much easier.