{
    "$schema": "https://json-schema.org/draft/2020-12/schema",
    "title": "Penumbra Mod Metadata",
    "description": "Metadata of a Penumbra mod.",
    "type": "object",
    "properties": {
        "FileVersion": {
            "description": "Major version of the metadata schema used.",
            "type": "integer",
            "minimum": 3,
            "maximum": 3
        },
        "Name": {
            "description": "Name of the mod.",
            "type": "string",
            "minLength": 1
        },
        "Author": {
            "description": "Author of the mod.",
            "type": [ "string", "null" ]
        },
        "Description": {
            "description": "Description of the mod. Can span multiple paragraphs.",
            "type": [ "string", "null" ]
        },
        "Image": {
            "description": "Relative path to a preview image for the mod. Unused by Penumbra, present for round-trip import/export of TexTools-generated mods.",
            "type": [ "string", "null" ]
        },
        "Version": {
            "description": "Version of the mod. Can be an arbitrary string.",
            "type": [ "string", "null" ]
        },
        "Website": {
            "description": "URL of the web page of the mod.",
            "type": [ "string", "null" ]
        },
        "ModTags": {
            "description": "Author-defined tags for the mod.",
            "type": "array",
            "items": {
                "type": "string",
                "minLength": 1
            },
            "uniqueItems": true
        },
        "DefaultPreferredItems": {
            "description": "Default preferred items to list as the main item of a group managed by the mod creator.",
            "type": "array",
            "items": {
                "minimum": 0,
                "type": "integer"
            },
            "uniqueItems": true
        },
        "RequiredFeatures": {
            "description": "A list of required features by name.",
            "type": "array",
            "items": {
                "type": "string"
            },
            "uniqueItems": true
        }
    },
    "required": [
        "FileVersion",
        "Name"
    ]
}