How to add a resource pack to Bedrock/Pocket Edition (PocketMine)
Login to your Control panel, select and stop your Minecraft server.
Click on "Files" and then "FTP File Access".
Enter your control panel password in the Multicraft Password box and click Login.
Navigate to the resource_packs folder.
Click the Upload button and upload your resource pack file.
It must be a .ZIP
Your resource pack must have a manifest.json file inside in order for it to work.
Click Edit to the right of the resource_packs.yml file.
Enter the name of your resource pack file underneath #Example.
There must be a - before the name.
If you want all players to be forced to use your resource pack when they join, set force_resources to true.
Start your server.
Updated on: 05/05/2021