//[docs](../../../index.md)/[dev.inmo.tgbotapi.types.CallbackQuery](../index.md)/[UnknownCallbackQueryType](index.md)/[chatInstance](chat-instance.md)



# chatInstance  
[common]  
Content  
open override val [chatInstance](chat-instance.md): [String](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html)