Listener channels are used to notify users when certain events occur. Since AppBase 7.1.R3+, support for WebSocket connections using Azure SignalR Service has been added.
Azure SignalR Service simplifies adding real-time web functionality to applications over HTTP.
This real-time functionality allows the service to push content updates to connected clients.
On the top right, navigate to → Application Studio → <<solution>>
On the left, navigate toChannel Setup → Listener Channels.
To configure a new listener, click the New Listener Channel button.
Enter a Name for the listener.
The Select type is SignalR by default, and it is the only option currently available.
Enter the mandatory properties under the SignalR Properties section.
Property
Example
Description
Endpoint
https://exampleendpoint.service.signalr.net
URL of the Azure SignalR Service.
Hub
serverless
The value of the Target Hub name must start with alphabetic characters and only contain alpha-numeric characters or underscore. We used an instance of SignalR in the Serverless mode. This means the Azure SignalR Service handles all the work with the hub.
TenantId
a0a00000-0a00-0a00-a000-a0000000a000
Unique key of the Directory (tenant).
ClientId
b0b00000-0b00-0b00-b000-b0000000b000
Unique key of the application.
Authentication
Secret Key
Authentication type of the application.
Client Secret Key
The strong password of the application.
Client Certificate Body
Upload the certificate (.pfx).
Client Certificate Password
Certificate password.
Use Default Scope
checked
Use the default scope configured in AppBase (configuration property Provider_SignalRMsal_Property_DefaultScope).
