Category Changed

• Alert key: twitch-categoryChanged
• Source: Twitch
• Event list label: Category {{category_name}}

Default message template

Category changed to {{category_name}}

Template variables

Use any of these in alert text, TTS, or chat templates. The same names appear under data.extraSettings.* when you subscribe via Overlay.on('alert').

Template variable	Overlay payload field	Description
{{category_name}}	data.extraSettings.category_name	Category name
{{category_id}}	data.extraSettings.category_id	Category id
{{channel_title}}	data.extraSettings.channel_title	Channel title

Example payloads

Each scenario below mirrors what Lumia emits in Overlay.on('alert', (data) => …).

Just Chatting

{
  "alert": "twitch-categoryChanged",
  "dynamic": {
    "value": "Just Chatting"
  },
  "extraSettings": {
    "category_name": "Just Chatting",
    "category_id": "",
    "channel_title": ""
  }
}

Fortnite

{
  "alert": "twitch-categoryChanged",
  "dynamic": {
    "value": "Fortnite"
  },
  "extraSettings": {
    "category_name": "Fortnite",
    "category_id": "",
    "channel_title": ""
  }
}

Valorant

{
  "alert": "twitch-categoryChanged",
  "dynamic": {
    "value": "Valorant"
  },
  "extraSettings": {
    "category_name": "Valorant",
    "category_id": "",
    "channel_title": ""
  }
}

Retro

{
  "alert": "twitch-categoryChanged",
  "dynamic": {
    "value": "Retro"
  },
  "extraSettings": {
    "category_name": "Retro",
    "category_id": "",
    "channel_title": ""
  }
}

Variation conditions

Dimensions you can branch on when configuring alert variations:

• RANDOM
• EQUAL_STRING - Title is equal to
• EQUAL_VARIABLE

Related

• Alert Explorer - live preview of every alert
• Overlay Type Definitions - full AlertEvent TypeScript type