First Chatter

• Alert key: youtube-firstChatter
• Source: YouTube
• Event list label: First Chatter

Default message template

{{username}} is the first chatter!

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
{{displayname}}	data.extraSettings.displayname	The display name of the sender
{{userId}}	data.extraSettings.userId	The user ID of the sender
{{avatar}}	data.extraSettings.avatar	The url of the avatar of the sender for a message
{{first_count}}	data.extraSettings.first_count	Count how many times the first chatter's username starts a chat
{{message}}	data.extraSettings.message	The message text sent by the user

Variation conditions

Dimensions you can branch on when configuring alert variations:

• RANDOM
• EQUAL_NUMBER - First Chatter Count is equal to
• GREATER_NUMBER - First Chatter Count is greater than or equal to
• EQUAL_USERNAME
• EQUAL_USER_LEVEL
• EQUAL_VARIABLE

Related

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