How to Creat add-on
Please tell me, how to use composescript.register a compose.js file. Where I put it(popup.js, backgound.js,..). Because runtime.onnmessage at compose.js is not be called
Please tell me, how to use composescript.register a compose.js file. Where I put it(popup.js, backgound.js,..). Because runtime.onnmessage at compose.js is not be called
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Better to check https://developer.thunderbird.net/add-ons/ and ask in developer community https://developer.thunderbird.net/add-ons/community