{
    "$schema": "https://json-schema.org/draft/2020-12/schema",
    "$id": "https://a2ui.org/specification/v1_0/client_data_model.json",
    "title": "A2UI Client Data Model Schema",
    "description": "Schema for attaching the client data model to A2A message metadata. This object should be placed in the `a2uiClientDataModel` field of the metadata.",
    "type": "object",
    "properties": {
        "version": {
            "const": "v1.0"
        },
        "surfaces": {
            "type": "object",
            "description": "A map of surface IDs to their current data models.",
            "additionalProperties": {
                "type": "object",
                "description": "The current data model for the surface, as a standard JSON object."
            }
        }
    },
    "required": ["version", "surfaces"],
    "additionalProperties": false
}