I would like to create button in modern command bar. The environment where I would like to deploy support 3 languages. How to create button in modern command designer with localization support? I know that this feature is still in preview but soon will be in GA (I hope).
Below is links to release plan:
To handle Localization you need to use the Export and Import Translations as per the below Link:
You will find your command button after opening the translation file and going to the Localized labels , you will find it under appaction, add the labels of the other languages and re-import back
I understand your problem now but there is currently no out of the box way to handle such translation because it is embedded in your button logic, so what I would suggest here:
1. Create a custom table to hold the notification message per language
Language lookup to languages table
Message Id or identifier.
This is not a very easy solution but this is what I am aware of maybe others can have easier or better solution
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