replacing sound (collection) names with SoundSpecifier - part 1

Content.Shared/Gravity/GravityComponent.cs

@@ -1,9 +1,11 @@
 using System;
 using Content.Shared.NetIDs;
+using Content.Shared.Sound;
 using Robust.Shared.GameObjects;
 using Robust.Shared.Log;
 using Robust.Shared.Players;
 using Robust.Shared.Serialization;
+using Robust.Shared.Serialization.Manager.Attributes;
 using Robust.Shared.ViewVariables;
 
 namespace Content.Shared.Gravity
@@ -14,6 +16,9 @@ namespace Content.Shared.Gravity
         public override string Name => "Gravity";
         public override uint? NetID => ContentNetIDs.GRAVITY;
 
+        [DataField("gravityShakeSound")]
+        public SoundSpecifier GravityShakeSound { get; set; } = new SoundPathSpecifier("/Audio/Effects/alert.ogg");
+
         [ViewVariables(VVAccess.ReadWrite)]
         public bool Enabled
         {