minecraft-assets/assets/minecraft/advancements/nether/brew_potion.json

{
    "display": {
        "icon": {
            "item": "minecraft:potion"
        },
        "title": "Local Brewery",
        "description": "Brew a potion"
    },
    "parent": "minecraft:nether/obtain_blaze_rod",
    "criteria": {
        "potion": {
            "trigger": "minecraft:brewed_potion"
        }
    }
}