Systems and methods for establishing UI push channels are disclosed. The UI push channels can be used to broadcast event notifications to multiple UIs whenever the information in an underlying data source is changed. In response to the event notifications, the UIs may update or refresh the displayed information so as to include the most current information in the data source. UI push channels are defined by associations between an application messaging channel (AMC) and the UI connection used to communicate with the client computing device and the application server. In particular, the UI push channels can be established by an AMC definition that defines a target data source, subscriber entities, and publisher entities. The listing of the publishers and the subscribers in the AMC definition infer the associations between the corresponding AMC and the UI connections.