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Class type Ext_data_proxy_Proxy.events


class type events = object .. end
Inherits 
method metachange : 'a 'b.
         (t Js.t -> 'a Js.t -> 'b Js.t -> unit) Js.callback
         Js.writeonly_prop

Fires when this proxy's reader provides new metadata. Metadata usually consists of new field definitions, but can include any configuration data required by an application, and can be processed as needed in the event handler. This event is currently only fired for JsonReaders. Note that this event is also propagated by Ext.data.Store, which is typically where it would be handled.

Parameters: