Steps to Create a Slack Webhook

1. Go to Slack API Portal: Visit Slack API and sign in.
2. Create a New App: Click on "Create New App" and choose "From scratch."
3. Select Features: Under "Add features and functionality," click on "Incoming Webhooks."
4. Activate Incoming Webhooks: Toggle the switch to "On."
5. Create a Webhook URL: Scroll down to "Webhook URLs for Your Workspace" and click "Add New Webhook to Workspace."
6. Choose a Channel: Select the Slack channel where alerts should be sent.
7. Copy the Webhook URL: After authorization, copy the generated webhook URL.
8. Use in Javelin: Provide this webhook URL as a parameter in Javelin's Slack alert configuration.