how to get first nested json array into datatable template config

I still get error script from this code :

https://snippet.webix.com/h1auepn3

How to code the right one (Placement & Branch column template)??

Thx…

you need to use function template.
like this

{
    template: obj => obj.placement && obj.placement[0] && obj.placement[0].Place || ""
}