Span Column Treetable

How can I span title column in treetable ?
something like this
https://snippet.webix.com/w6wcbiy5
become to in this table
https://snippet.webix.com/qfyw1opu

Hello @finzaiko ,
As a solution, you can set its colspan property.
Please take a look at the snippet:
https://snippet.webix.com/qcxjsruq
You can read more about colspans/rowspans in the following article within our documentation:
https://docs.webix.com/datatable__headers_footers.html

Hi @annazankevich
Thanks for your reply,

I need some three header colspan
https://snippet.webix.com/847boxrz
sample

Hello @finzaiko ,
As a solution, you can use one of the next two modes:

Also, based on the attached screenshot, I think that you may also be interested in using subrows:
https://docs.webix.com/datatable__subrows.html
Please take a look at the next snippet:
https://snippet.webix.com/l2jvbf63