Y Level

Y Level can be represented in a few ways, below are the listed ways they can be shown.

They can be listed as an object with a min and max like as such.

"yLevel": {
    "min": 100,
    "max": 150
}

You can also format them as a list of 2 integers

"yLevel": [100, 150]

And you can just format it as a single integer if you would like them to spawn at a single Y level.

"yLevel": 100

Note:

Y Level have a range from -512 to 512