A screenshot of what im working on

Hey, I was building in Minecraft Bedrock and when I was doin /fill command, i found this Allow block, it doesnt bring up any menu, does anyone know what it's/was supposed to be used for, does anyone else know?

YUP, ITS HAPPEND IN OVERLOOK BAY

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Big

Coppper gollem go brrrrrrr

Snooftale

Mr.Carryfish LMAOOOOOOOOOOOO

So you see this backpack? You know that you have to wear it on your back, right?

Well um, i may have...

*heavy trailer drop* ULTIMATE POWER!!