A Data Source can be used on the view designer. 

 k.export

Data Source requires to use  k.export to export the object

Create a DataSource with the following code, name it "myowndatasource"

//sample code, use the k.export to return datasource.
 var list = []; 
 var obj = {name: "myname", fieldtwo: "field two value"};
 list.push(obj);  
 var obj2 = {name: "myname2", fieldtwo: "field two value2"};
 list.push(obj2); 
 k.export(list); 

Go to view designer, add a new DataSource, you can a new option as below.