custom_mc_advancements/data/locations/advancements/bases.json

{
    "display": {
        "icon": {
            "item": "minecraft:red_bed"
        },
        "title": "Bases",
        "description": "Visit bases of your fellow Canopeans!",
        "frame": "task",
        "show_toast": false,
        "announce_to_chat": false
    },
    "parent": "locations:root",
	"criteria": {
        "instant": {
            "trigger": "minecraft:tick"
        }
    }
}