What is the new equivalent of fixed_process in GODOT 3.0?

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:information_source: Attention Topic was automatically imported from the old Question2Answer platform.
:bust_in_silhouette: Asked By stubbsy345
:warning: Old Version Published before Godot 3 was released.

Just imported an old game into 3.0 and fixed_process doesn’t appear to be a function anymore. Just wondering what its contemporary is?

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:bust_in_silhouette: Reply From: volzhs 
func _physics_process(delta):
    pass