I was following the example on the documentation here.
The code mentions setting the "type" of the datasource to "webapi", but when you do this you get a script warning: "Unknown DataSource transport type 'webapi'.".
...
pageable:
true
,
sortable:
true
,
dataSource: {
type:
"webapi"
,
transport: {
read: {
...
Not sure if this a typo or just out of date.