Prerequisites

Active Slack workspace

Step 1: Create application

Navigate Slack API console.
Click Create a new app.
In the popup please select From an app manifest

Select workspace you want your Bot app to work in and click Next

In the popup that will be shown please paste following JSON file

   {
    "display_information": {
        "name": "SentiOne Automate App",
        "description": "SentiOne Automate chatbot",
        "background_color": "#00994d"
    },
    "features": {
        "bot_user": {
            "display_name": "SentiOne Automate Bot",
            "always_online": false
        }
    },
    "oauth_config": {
        "redirect_urls": [
            "https://chatbots-admin.example.com"
        ],
        "scopes": {
            "user": [
                "im:write",
                "chat:write",
                "files:write",
                "im:history",
                "users:read"
            ],
            "bot": [
                "chat:write",
                "files:write",
                "im:history",
                "im:read",
                "users:read"
            ]
        }
    },
    "settings": {
        "event_subscriptions": {
            "request_url": "https://channels-connector.example.com/webhooks/slack",
            "user_events": [
                "message.im"
            ],
            "bot_events": [
                "message.im"
            ]
        },
        "interactivity": {
            "is_enabled": true,
            "request_url": "https://channels-connector.example.com/webhooks/slack/interactivity"
        },
        "org_deploy_enabled": false,
        "socket_mode_enabled": false,
        "token_rotation_enabled": true
    }
}

Replace https://chatbots-admin.example.com with Public URL of admin application
Replace https://channels-connector.example.com with Public URL of channels connector application
Replace bot display name and app name if needed with desired values
Click Next
Check all the details in confirmation window
Click Create
Write down all the secrets from section called App credentials
Expand Manage distribution section

Click on Distribute App button
Fill in the form

Click on Activate Public Distribution
Navigate to App Home section
Make sure is Allow users to send Slash commands and messages from the messages tab is selected

Step 2: Configure channels connector application

Navigate to application configuration repository
Open following file in text editor of your choice ENV_NAME/kubernetes/helm/automate/values.yaml

Add following section to the value under key chatbots.config.commonConf

chatbots.channels-connector.slack {  
    enabled: true
    # Automate Chatbot APP
    client-id: "PUT_CLIENT_ID_FROM_CREDENTIALS_SECTION",
    client-secret: "PUT_CLIENT_SECRET_FROM_CREDENTIALS_SECTION"
    signing-secret: "PUT_SIGNING_SECRET_FROM_CREDENTIALS_SECTION"
}

Replace placeholders with values copied from App Credentials section obtained in first section of the guide
Commit the changes and push to git server
Deploy config changes to your Kubernetes cluster.

Step 3: Create slack channel

Follow steps in channel configuration manual