Merch

• Alert key: streamlabs-merch
• Source: Streamlabs
• Event list label: Merch

Default message template

{{username}} just bought {{merch}}. They said {{message}}

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
{{username}}	data.extraSettings.username	The username of the sender
{{merch}}	data.extraSettings.merch	No description available yet.
{{message}}	data.extraSettings.message	The message text sent by the user

Example payloads

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

Shirt

{
  "alert": "streamlabs-merch",
  "dynamic": {
    "value": "shirt"
  },
  "extraSettings": {
    "username": "lumiastream",
    "avatar": "https://static-cdn.jtvnw.net/jtv_user_pictures/2b1fa336-f9b2-42cf-bd2c-98675da74982-profile_image-70x70.png",
    "merch": "shirt",
    "message": ""
  }
}

Variation conditions

Dimensions you can branch on when configuring alert variations:

• RANDOM
• EQUAL_STRING - Redemption is equal to
• EQUAL_VARIABLE

Related

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