Install

To create a Slack app named "Nullify" with the required scopes and webhook, follow these steps:

Method 1: Using App Manifest

You can create your Slack app using a JSON manifest, which simplifies the setup process by configuring all settings at once.

1. Visit https://api.slack.com/apps.

2. Click "Create New App".

3. Choose "From an app manifest".

4. Select your Workspace and click Next.

5. Paste the following JSON manifest in the editor (replace <your-org> with your organization name):

{
    "display_information": {
        "name": "Nullify Bot"
    },
    "features": {
        "bot_user": {
            "display_name": "Nullify Bot",
            "always_online": true
        }
    },
    "oauth_config": {
        "scopes": {
            "bot": [
                "app_mentions:read",
                "channels:history",
                "channels:read",
                "chat:write",
                "dnd:read",
                "groups:read",
                "im:history",
                "im:write",
                "reactions:read",
                "users:read",
                "users:read.email",
                "reactions:write"
            ]
        }
    },
    "settings": {
        "event_subscriptions": {
            "request_url": "https://api.<your-org>.nullify.ai/core/slack/webhook",
            "bot_events": [
                "app_mention",
                "message.channels",
                "message.im",
                "reaction_added",
                "reaction_removed"
            ]
        },
        "org_deploy_enabled": false,
        "socket_mode_enabled": false,
        "token_rotation_enabled": false
    }
}

1. Click Next and then Create.

2. In the left sidebar, go to OAuth & Permissions.

3. Click Install to Workspace.

4. Authorize the app in your workspace.

5. Copy and store the Bot User OAuth Token (starts with xoxb-...).

Method 2: Manual Setup

Create the Slack App

1. Visit https://api.slack.com/apps.
2. Click "Create New App".

3. Choose "From scratch".

4. Enter App Name: Nullify

5. Select your Workspace and click Create App.

Add OAuth Scopes

1. In the left sidebar, go to OAuth & Permissions.

2. Under Scopes, add the following Bot Token Scopes:

   app_mentions:read
   channels:history
   channels:read
   chat:write
   dnd:read
   groups:read
   im:history
   im:write
   reactions:read
   reactions:write
   users:read
   users:read.email

3. Click Save Changes.

Enable Event Subscriptions

1. In the left sidebar, go to Event Subscriptions.

2. Toggle Enable Events to On.

3. Set Request URL to:

   https://api.your-org.nullify.ai/core/slack/webhook

   Slack will send a challenge payload to verify—ensure your server responds correctly.

4. Scroll to Subscribe to bot events, then add:

   app_mention
   message.channels
   message.im
   reaction_added
   reaction_removed

Install the App

1. In the left sidebar, go to OAuth & Permissions again.

2. Click Install to Workspace.

3. Authorize the app in your workspace.

4. Copy and store the Bot User OAuth Token (starts with xoxb-...).

Add a Bot User Display Name

1. In the left sidebar, go to App Home.

2. Set:

   • Display Name: Nullify

   • Default Username: nullify

3. Enable "Always Show My Bot as Online" if desired.