you can leverage Azure AD for user authentication and use it to issue access tokens for Web PubSub
https://learn.microsoft.com/en-us/azure/azure-web-pubsub/concept-azure-ad-authorization
https://learn.microsoft.com/en-us/azure/azure-web-pubsub/howto-use-managed-identity
https://learn.microsoft.com/en-us/azure/azure-web-pubsub/samples-authenticate-and-connect
Azure Web PubSub doesn't have a "publish profile" like Web Apps. To publish messages to Azure Web PubSub you need to deploy your code. Code deployment doesn't apply to Web PubSub in the same way as it does for Azure Web Apps. However, you might be referring to how to integrate Web PubSub into your application code or deploying your code that uses the Web PubSub service.
you can install the Azure Web PubSub client library in your Visual Studio project
Get the connection string for your Azure Web PubSub instance from the Azure portal.
ans you need to integrated SDK to you code as follows
WebPubSubClient client = new WebPubSubClient(connectionString);
// Publish a message to a hub
await client.SendToAllAsync("myHub", "Hello, everyone!");
// Publish to a specific group
await client.SendToGroupAsync("myHub", "group1", "Targeted message");