Datatable: How to change the value of cell with code

Webix JS
#1

I want to change the value of particular cell through the code. How to do that ?

#2 
$$("mytable").getItem(id).title = "New title";
$$("mytable").refresh(id);
#3

what is this id ? i know 2 ids only columnid and rowid

#4

in above code

  • id - row id
  • “title” - column id