How to make a structure with a chest with a custom loot table

i wanna make a structure with a random chest using loot tables i have the loot table but idk how to make it into the structure pls tell { "pools": [ { "rolls": 10, "entries": [ { "type": "minecraft:item", "name": "minecraft:obsidian", "weight": 5, "quality": 1 }, { "type": "minecraft:item", "name": "minecraft:bread", "weight": 4, "quality": 3 }, { "type": "minecraft:item", "name": "minecraft:cobblestone", "weight": 5, "quality": 5 }, { "type": "minecraft:item", "name": "minecraft:iron_ingot", "weight": 3, "quality": 2 }, { "type": "minecraft:item", "name": "minecraft:diamond", "weight": 1, "quality": 1 } ] } ] }