how to do something after the first load success

[KingAmo]

i want to do something only when the first time load success, how to do that please?

[TkDodo]

Can you be more specific, what do you want todo, and why only for the first time? Should the query still re-fetch? If not - staleTime: Infinity and onSuccess callback could work. Otherwise, have a useEffect and listen to the isLoading flag maybe? But it’s not guaranteed to run only once