When using a controller to interact with the npc mob you can't set buttons for commands in the advanced settings. It is impossible to press the "Show as button" button in the npc menu if you are using a controller.
MCPE-103706
Npcs not working when using controller.
Resolved
Duplicate
0
Thank you for your report!
We're actually already tracking this issue at MCPE-66446, so I will resolve and link this ticket as a duplicate.
If you would like to add a vote and any extra information to the main ticket it would be appreciated.
If you haven't already, you might like to make use of the search feature to see if the issue has already been mentioned.
Quick Links:
📓 Bug Tracker Guidelines – 💬 Community Support – 📧 Mojang Support
📓 Project Summary – ✍️ Feedback and Suggestions – 📖 Game Wiki