Send a customized message to a Slack channel based on a triggered alert action in Splunk. Leverages the custom alert action framework introduced in Splunk Enterprise v6.3. This alert extension framework enables full UI integration, management, dynamic parameter support, and more. This alert action was built as a reference example for the new custom alert action framework. Note - This alert action integrates against the slack incoming webhook API https://slack.com/apps/A0F7XDUAZ-incoming-webhooks