minecraft-assets/data/minecraft/loot_tables/dispensers/trial_chambers/_all.json

{"chamber":{"type":"minecraft:chest","random_sequence":"minecraft:dispensers/trial_chambers/chamber"},"corridor":{"type":"minecraft:chest","random_sequence":"minecraft:dispensers/trial_chambers/corridor"},"water":{"type":"minecraft:chest","random_sequence":"minecraft:dispensers/trial_chambers/water"}}