/**
 * Add command payload definition.
 */
type Add = {
    /**
     * Title of event (required).
     */
    title: string;
    /**
     * Notes of event (optional).
     */
    notes?: string;
    /**
     * The URL to call for the return when the operation completes successfully (optional).
     */
    xSuccess?: string;
    /**
     * The application name to where the calling app returns (optional).
     */
    xSource?: string;
    /**
     * The URL to call for the return when the operation canceled (optional).
     */
    xError?: string;
};
/**
 * Add a new event to Cal2Todo.
 *
 * @param payload Add command payload.
 * @returns Cal2Todo add URL.
 * @example
 * add({
 *   title: 'ABC',
 *   notes: 'XYZ',
 * })
 * // => 'cal2todo-x-callback://x-callback-url/add?title=ABC&notes=XYZ'
 * @example
 * add({
 *   title: 'Meeting',
 *   xSuccess: 'srcapp://ok',
 *   xSource: 'srcapp',
 *   xError: 'srcapp://cancel',
 * })
 * // => 'cal2todo-x-callback://x-callback-url/add?title=Meeting&x-success=srcapp%3A%2F%2Fok&x-source=srcapp&x-error=srcapp%3A%2F%2Fcancel'
 * @link http://yaas4home.blog.fc2.com/blog-entry-344.html
 */
export declare function add(payload: Add): string;
export {};