Advancement not appearing

[glacial fiber]

Im trying to make a root andvancement that you automatically get when you join but the is doesent seem to be working

{
"display": {
"icon": {
"id": "minecraft:iron_sword"
},
"title": "Welcome Murder Mystery",
"description": "Good Luck.",
"background": "minecraft:red_concrete",
"frame": "task",
"show_toast": true,
"announce_to_chat": false,
"hidden": false
},
"criteria": {
"Tick": {
"trigger": "minecraft:tick"
}
},
"requirements": [
[
"Tick"
]
]
}

[atomic valley]

<@&1201956957406109788>

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[spring thorn]

just make an advancement with display on it

and put the command in the load.mcfunction

[cobalt matrix]

I'm not sure you're allowed capital letters in criteria names

Try tick instead

[glacial fiber]

found the problem i was dumb and didnt put the folder in the right spot