imdbURLSyncCommand: {
        syncCommand: {
            execute() {
                var url = `${this.url}/${this.id}/imdb_sync`;
                var command = this.imdbURLSyncCommand;
                this.syncCommand.execute().bind(this);
            }
        }
    },

    syncCommand: {
        debounce: {timeout: 500},
        execute() {
            var url = null;
            var command = null;
            return $.ajax({
                url: url,
                type: 'PUT'
            }).done((response)=> {
                this.command.error = null;
                this.fromJSON(response);
            }).fail((xhr, err, message)=> {
                command.error = message;
            });
        },
        canExecute() {
            return !!this.id;
        }
    },