{
  "format_version": "1.20.30",
  "minecraft:item": {
    "description": {
      "identifier": "wiki:custom_fluid_bucket",
      "menu_category": {
        "category": "items"
      }
    },
    "components": {
      "minecraft:max_stack_size": 1,
      "minecraft:icon": {
        "texture": "custom_fluid_bucket" // Shortname defined in `RP/textures/item_texture.json`
      },
      "minecraft:block_placer": {
        "block": "wiki:custom_fluid"
      }
    }
  }
}