Create an app that can regularly post messages to a particular Slack channel.
How to send messages from the command line or shell scripts.
Send notifications that allow users to take action directly from your app in Slack.
When you need to get files into Slack programatically. Read More
One example one how to connect to a third party API. Read More
Creating a Slack app and obtaining a token to use with Postman. Read More
For videos about modular Slack apps, check out the following:
For videos about building a task management Slack app with Bolt, check out the following: