//[docs](../../index.md)/[dev.inmo.tgbotapi.extensions.utils](index.md)/[requireUnknownInlineKeyboardButton](require-unknown-inline-keyboard-button.md) # requireUnknownInlineKeyboardButton [common] Content inline fun [InlineKeyboardButton](../dev.inmo.tgbotapi.types.buttons.InlineKeyboardButtons/-inline-keyboard-button/index.md).[requireUnknownInlineKeyboardButton](require-unknown-inline-keyboard-button.md)(): [UnknownInlineKeyboardButton](../dev.inmo.tgbotapi.types.buttons.InlineKeyboardButtons/-unknown-inline-keyboard-button/index.md)