{
    "$schema": "https://json-schema.org/draft/2020-12/schema",
    "$id": "links-content.schema.json",
    "title": "Links extension message content",
    "description": "The value of extensions.links in a Company message (spec 8.4, Links 3).",
    "type": "object",
    "required": ["items"],
    "properties": {
        "items": {
            "type": "array",
            "items": {
                "type": "object",
                "required": ["url"],
                "properties": {
                    "url": {
                        "type": "string",
                        "pattern": "^https://",
                        "format": "uri"
                    },
                    "title": {
                        "type": "string",
                        "minLength": 1
                    }
                }
            }
        }
    }
}