## formatDateTime(value, format, calendarType) {#date_string_calendartype} Called when Aspose.Words applies a date/time format switch, i.e. \\@ "dd.MM.yyyy". ```js formatDateTime(value: Date, forma...... // 1 - Numeric: builder.insertField(" = 2...tter.FormatInvocationType.numeric)).toEqual(1); // 2 - Date/time:...