2. Create a /weather slash command for OpenWeatherBot
Click on Slack Commands in the left side panel and then press the button labeled Create New Command
Next fill out the form with the following information and press the “Save” button:
Command: weather
Request URL: [YOUR NGROK HTTPS URL]/weather
Short Description: Get the current weather of a U.S. based city
Usage Hint: /[city name]
We are creating a slash command called weather, when initiated in Slack, this command will make a POST request to our server using the ngrok https url for our app (remember the ngrok url is unique to your server)