It doesn't support yet. You can check here. (BDS Tutorial)
It says
You can use add-ons on your server that you've created or downloaded online.
You cannot use the following types of add-ons on your server:
Add-Ons purchased from the Minecraft Marketplace.
Add-Ons using Experimental Gameplay features such as custom mob entities, animations, data driven spawning, particles, functions.
good_777
It doesn't support yet. You can check here. (BDS Tutorial)
It says
Use Add-Ons
You can use add-ons on your server that you've created or downloaded online.
You cannot use the following types of add-ons on your server:
Add-Ons purchased from the Minecraft Marketplace.
Add-Ons using Experimental Gameplay features such as custom mob entities, animations, data driven spawning, particles, functions.