In the Fabric version, you right click to capture and right click to release. Also, it's named passive/hostile catcher.
In the Forge version, you left click to capture and right click to release, and the items are named diamond/netherite.

For the sake of simplicity, could you sync these two mods so they have identical verbiage, actions, etc?

on the list.

This is addressed in 1.20.6+