How to drop item from client side

[_Corbi_]

I need to write mod on 1.16.5, that drops chosen items from inventory and works on vanilla my server. Methods clientPlayerEntity.dropItem() and playerController.sendPacketDropItem() are dont work. Help me please.

Edited January 21, 2023 by _Corbi_
grammar mistake

[ChampionAsh5357]

The version you are using is no longer supported on this forum.

Please update to a modern version of Minecraft to receive support.

Currently supported versions are 1.19.3 (Latest), 1.19.2, and 1.18.2 (LTS).