Change
eventsFires when data is changed. In addition to the standard change event, the HierarchicalDataSource includes additional data when the event has been triggered from a child DataSource.
Event Data
e.node kendo.data.Node
If the event was triggered by a child datasource, this field holds a reference to the parent node.
e.action String (optional)
In addition to the standard change event actions, the value can also be:
"itemloaded"