{
    "$schema": "https://json-schema.org/draft/2020-12/schema",
    "$id": "https://www.espocrm.com/schema/metadata/app/webSocket.json",
    "title": "app/webSocket",
    "description": "WebSocket definitions.",
    "type": "object",
    "properties": {
        "categories": {
            "type": "object",
            "description": "Categories. Define custom WebSocket events here. You can use dots in category names.",
            "additionalProperties": {
                "type": "object",
                "description": "A category.",
                "properties": {
                    "paramList": {
                        "type": "array",
                        "items": {"type": "string"},
                        "description": "Parameters passed within a topic. E.g. the topic name myGroupName.myCustomName.Account.someId. This makes a topic name unique for a specific record. For global events, omit this parameter."
                    },
                    "accessCheckCommand": {
                        "type": "string",
                        "description": "A console command that will be used to check whether a topic is allowed for a user when they attempting to subscribe. Patameter placeholders starts with the colon :. The userId parameter contains a user ID. If access checking is not needed, omit this parameter."
                    }
                }
            }
        },
        "messagers": {
            "type": "object",
            "description": "Provides the ability to implement other messagers rather than the default ZeroMQ. E.g. RabbitMQ.",
            "additionalProperties": {
                "type": "object",
                "description": "A messager.",
                "properties": {
                    "senderClassName": {
                        "description": "A sender. Should implement Espo\\Core\\WebSocket\\Sender."
                    },
                    "subscriberClassName": {
                        "description": "A subscriber. Should implement Espo\\Core\\WebSocket\\Subscriber."
                    }
                }
            }
        }
    }
}