How to external filter using foreign key value in kendo grid

Question

How can external filter using foreign key value or another table field throgh filter dataIt's ex. filter data with productdetail table on field name (AutoFocus)..it's run well but .. i don't now how to use foreign key or another table field throgh filter data

 

Ex. if (#ad_CheckboxCameraautofocus) { allFilters.push({ field: "AutoFocus", operator: "eq", value: "Yes" }); }