SaveHook# tradingstrategy.direct_feed.trade_feed.SaveHook Python class in Trading Strategy framework. class SaveHook[source]# Bases: Protocol Save hook called by trade feed when downloading data. Called every N seconds. __init__(*args, **kwargs)# Methods __init__(*args, **kwargs) __call__(feed)[source]# Call self as a function. Parameters: feed (TradeFeed) – __init__(*args, **kwargs)#