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Currently if we update any API key (discard old keys for any security reason), we have to update authorization http headers manually. It is a tedious and buggy process.
Ability to use template expression like below will make our life super efficient 
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Thanks for the tip.
That works. So we donโt need <<>> brackets and concatenation. Just drop in the expression.
Another thing is AppSheet also check the format. So if I set [Printer Auth] in the formula without โAuthorization:โ, Appsheet will throw an error saying itโs missing โ:โ.
Good to know
