What is n in minute bars in web socket

{'T': 'b', 'S': 'AGEN', 'o': 2.465, 'h': 2.465, 'l': 2.465, 'c': 2.465, 'v': 100, 't': Timestamp(seconds=1663249620, nanoseconds=0), 'n': 1, 'vw': 2.465}

what is thin n in the response of minute bars?

Hi @sirname, ā€˜nā€™ is the trade count. You can find the schema for all of the websocket responses here: Real-time Data | Alpaca Docs