Leaking a paid plugin called Alphaloot.
I don't play Rust anymore and have no use for it.
This plugin is 30$ USD and it's a top notch must have for any server owner.
I don't think I'm allowed to post links to other websites so you will have to search out how to use this plugin yourself!
Features
Support to switch out loot tables on-the-fly
Customizable loot profiles for every loot container type
Customizable loot profiles for all NPC types
Workshop skin support
Customizable item condition on spawn
Customizable chance of item spawning as a blueprint
Hammer-hit loot preview in game
The default generated config is an exact copy of Rusts default loot table
A custom Unity based loot table editor
A easy to use interface for editing loot tables
Create advanced (Rust style) or simple (RNG based) loot profiles for each container
Alter container behaviour per container
Preview loot generation from within the editor
Export individual loot profiles, and profile sub-definitions to use on other containers
Perform quick actions such as amount multiplication of selected items, or removal of selected items across the whole loot table
The majority of work is done via the editor
Individual loot tables for Heli and Bradley crates so you can create multiple profiles and randomly cycle through them