white exclamation mark (U+2755)

The ❕ ("white heavy check mark") emoji is a graphical symbol that represents confirmation, validation, or completion. It is often used to indicate that something has been done or accomplished, or to signify that a message or statement is important and should not be overlooked. The emoji is also sometimes used to indicate agreement or approval. It is similar in meaning to the check mark emoji (✅), but with a heavier, more pronounced appearance.