hello @Oshiro, @mathieu.rey, @flmaeda, @mcc6025,
I wanted to let you know that in Releases 198, we support Barcodes (only 128 for the time being, not QR code) directly as a Widget. therefore, without having to create the Connector Function you can embed Barcodes directly in your apps. more info.: https://community.tulip.co/t/release-198-december-2020/1499
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hope this helps!!