# CtwaAdRequestBodyWelcomeMessage
## Properties
**text** | **String** | Greeting shown when the chat opens. Replaces Meta's default (\"Hi! Can we help you?\"). |
**prefill_text** | **String** | Message put into the user's text input, ready to send. Replaces Meta's default (\"Hi! I want more info.\"). Lets one ad steer the opening message toward what it promotes (e.g. a specific product). |
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