Godot 3d tutorial: https://docs.godotengine.org/en/stable/getting_started/first_3d_game/07.killing_player.html

player.tscn

@@ -0,0 +1,18 @@
+[gd_scene load_steps=4 format=3 uid="uid://bl4b5g1o8ud5y"]
+
+[ext_resource type="Script" path="res://Player.gd" id="1_hmkw8"]
+[ext_resource type="PackedScene" uid="uid://cpgf40og1627r" path="res://art/player.glb" id="1_s5jny"]
+
+[sub_resource type="SphereShape3D" id="SphereShape3D_afne8"]
+radius = 1.1
+
+[node name="Player" type="CharacterBody3D"]
+collision_mask = 6
+script = ExtResource("1_hmkw8")
+
+[node name="Pivot" type="Node3D" parent="."]
+
+[node name="Character" parent="Pivot" instance=ExtResource("1_s5jny")]
+
+[node name="CollisionShape3D" type="CollisionShape3D" parent="."]
+shape = SubResource("SphereShape3D_afne8")