How add property description to export variable in godot 4.0

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:information_source: Attention Topic was automatically imported from the old Question2Answer platform.
:bust_in_silhouette: Asked By jack_pluskota

I would like add same description on my export variables

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:bust_in_silhouette: Reply From: mray

default gravity is 20.0

@export var GRAVITY : float = 20.0

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