How to pass date format to prototype custom component as a user manual

Hi Webix Team

Here our requirement is, i have created a custom component for date and time picker,
1)In that component i given date and time format in internal custom component, but how to assign that one as a user manual.

Please follow the below snippet
https://webix.com/snippet/62805aa8

Thank’s & Regards
Deepak E

solution solved for above snippet

https://webix.com/snippet/2c4d1028