useMutation in library not receiving props from mutate

Hello everyone. I'm currently building a library with v5 of react-query. This library exports some hooks which are basically predefined

useMutation

useMutation

hooks. When i now use these hooks the props passed to the

mutate

mutate

function are always

undefined

undefined

in the

mutationFn

mutationFn

. Doses anybody have an idea why that is happening?

useMutation in library not receiving props from mutate - TanStack