diff --git a/Facepunch.Steamworks/Structs/SteamParamStringArray.cs b/Facepunch.Steamworks/Structs/SteamParamStringArray.cs
new file mode 100644
index 0000000..e0d2a04
--- /dev/null
+++ b/Facepunch.Steamworks/Structs/SteamParamStringArray.cs
@@ -0,0 +1,45 @@
+using System;
+using System.Runtime.InteropServices;
+using Steamworks.Data;
+
+namespace Steamworks.Ugc
+{
+	internal struct SteamParamStringArray : IDisposable
+	{
+		public SteamParamStringArray_t Value;
+
+		IntPtr[] NativeStrings;
+		IntPtr NativeArray;
+
+		public static SteamParamStringArray From( string[] array )
+		{
+			var a = new SteamParamStringArray();
+
+			a.NativeStrings = new IntPtr[array.Length];
+			for ( int i = 0; i < a.NativeStrings.Length; i++ )
+			{
+				a.NativeStrings[i] = Marshal.StringToHGlobalAnsi( array[i] );
+			}
+
+			var size = Marshal.SizeOf( typeof( IntPtr ) ) * a.NativeStrings.Length;
+			a.NativeArray = Marshal.AllocHGlobal( size );
+			Marshal.Copy( a.NativeStrings, 0, a.NativeArray, a.NativeStrings.Length );
+
+			a.Value = new SteamParamStringArray_t
+			{
+				Strings = a.NativeArray,
+				NumStrings = array.Length
+			};
+
+			return a;			
+		}
+
+		public void Dispose()
+		{
+			foreach ( var x in NativeStrings )
+				Marshal.FreeHGlobal( x );
+
+			Marshal.FreeHGlobal( NativeArray );
+		}
+	}
+}
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