type FunctionCallResponse = {
    message: string;
    image?: {
        url: string;
        description: string;
        width: number;
        height: number;
    };
    inlineIframe?: {
        url: string;
        description: string;
        width: number;
        height: number;
    };
    detailedIframe?: {
        url: string;
        title: string;
        buttonLabel: string;
    };
};