Session Superchats

• Alert key: youtube-sessionSuperchats
• Source: YouTube
• Event list label: Total Superchat {{currencySymbol}}``{{total}}

Default message template

Reached {{currencySymbol}}{{total}} of superchats

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
{{total}}	data.extraSettings.total	Hype train current total
{{previousTotal}}	data.extraSettings.previousTotal	No description available yet.
{{currency}}	data.extraSettings.currency	The currency used
{{currencySymbol}}	data.extraSettings.currencySymbol	The currency symbol used

Example payloads

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

10 Total Superchats

{
  "alert": "youtube-sessionSuperchats",
  "dynamic": {
    "value": 10,
    "total": 10,
    "previousTotal": 5
  },
  "extraSettings": {
    "total": 10,
    "previousTotal": 5,
    "currency": "",
    "currencySymbol": ""
  }
}

50 Total Superchats

{
  "alert": "youtube-sessionSuperchats",
  "dynamic": {
    "value": 50,
    "total": 50,
    "previousTotal": 2
  },
  "extraSettings": {
    "total": 50,
    "previousTotal": 2,
    "currency": "",
    "currencySymbol": ""
  }
}

100 Total Superchats

{
  "alert": "youtube-sessionSuperchats",
  "dynamic": {
    "value": 100,
    "total": 100,
    "previousTotal": 50
  },
  "extraSettings": {
    "total": 100,
    "previousTotal": 50,
    "currency": "",
    "currencySymbol": ""
  }
}

Variation conditions

Dimensions you can branch on when configuring alert variations:

• GREATER_NUMBER - Total Session Superchats is greater than or equal to
• COUNT_IS_MULTIPLE_OF - Total Session Superchats is a multiple of

Related

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