Here's an example of how to set that up in an ASP.NET Core website. The application now has access to post messages to the selected channel. Slack then redirects you back to the application and the integration is set up. You start by clicking an Authorize button, the application redirects you to Slack where you sign in and select a channel. You probably already tried connecting online apps with Slack.

In this post, I'll show you how to create an ASP.NET Core web app that lets the user authorize their Slack workspace, select a channel, and post messages to that channel from C#.

It's essential for moderne companies to be notified on Slack when new errors are logged, when a build fails, when customers are acquired, etc. In this new page, you will find the Webhook URL as well as some follow-up instructions on how to further configure and personalize your 'Incoming Webhook' by scrolling down.Īnd that's it! Your Incoming Webhook has been created and it has been integrated with the Slack channel you have previously chosen.All of your favorite tools (elmah.io anyone?) integrate with online messaging tools like Slack.Once we have selected our desired channel, click on 'Add Incoming WebHooks Integration'.For this tutorial, we will be selecting '#general'. Here, select the channel where your Incoming Webhook will post messages to. Scroll down to the 'Post to Channel' prompt, and click on the 'Choose a channel' options bar.Here, you can find a brief description of the application as well as information regarding the necessary permissions.In the 'Slack App Directory', type 'Incoming WebHooks' in the Search Bar and click on it.In 'Home', scroll down to the bottom and click on 'View App Directory'. Open Slack, either the desktop app or web app, and select the workspace you are currently working on.įrom the Slack menu, head over 'Settings & administrations' and click on 'Customize '. By following these steps you will be able to obtain the Webhook URL for Slack notifications. Webhooks in Slack offer an easy and direct way to communicate real-time information to Slack from third-party applications.

Slack app webhook