//[docs](../../../index.md)/[dev.inmo.tgbotapi.requests.chat.modify](../index.md)/[UnpinChatMessage](index.md)/[messageId](message-id.md) # messageId [common] Content val [messageId](message-id.md): [MessageIdentifier](../../dev.inmo.tgbotapi.types/index.md#%5Bdev.inmo.tgbotapi.types%2FMessageIdentifier%2F%2F%2FPointingToDeclaration%2F%5D%2FClasslikes%2F625018081)? = null