diff --git a/PepperDashEssentials/Bridges/IBasicCommunicationBridgeMap.cs b/PepperDashEssentials/Bridges/IBasicCommunicationBridgeMap.cs
new file mode 100644
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+++ b/PepperDashEssentials/Bridges/IBasicCommunicationBridgeMap.cs
@@ -0,0 +1,88 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using Crestron.SimplSharp;
+using Crestron.SimplSharpPro.DeviceSupport;
+
+using PepperDash.Core;
+using PepperDash.Essentials.Core;
+using PepperDash.Essentials.DM;
+
+namespace PepperDash.Essentials.Bridges.TEST
+{
+
+	/// <summary>
+	/// 
+	/// </summary>
+	public static class DmChassisControllerTrilistBridgeExtensions
+	{
+		public static void LinkMeToTrilist(this PepperDash.Essentials.DM.DmChassisController chassis, 
+			BasicTriList trilist, Dictionary<string,uint> map, uint joinstart)
+		{
+			uint joinOffset = joinstart - 1;
+
+			uint videoSelectOffset = 0 + joinOffset;
+			uint audioSelectOffset = 40 + joinOffset;
+
+
+			// loop chassis number of inupts
+			for (uint i = 1; i <= chassis.Chassis.NumberOfOutputs; i++)
+			{
+				trilist.SetUShortSigAction(videoSelectOffset + i, new Action<ushort>(u => chassis.ExecuteSwitch(u, i, eRoutingSignalType.Video)));
+				trilist.SetUShortSigAction(audioSelectOffset + i, new Action<ushort>(u => chassis.ExecuteSwitch(u, i, eRoutingSignalType.Audio)));
+			}
+
+			// wire up output change detection (try to add feedbacks or something to DMChassisController??
+
+			// names?
+
+			// HDCP?
+
+
+		}
+	}
+
+
+
+	/// <summary>
+	/// For trilists to com sockets only
+	/// </summary>
+	public static class IBasicCommunicationTrilistBridgeExtensions
+	{
+		/// <summary>
+		/// 
+		/// </summary>
+		/// <param name="comm"></param>
+		/// <param name="trilist"></param>
+		/// <param name="joinStart"></param>
+		public static void LinkMeToTrilist(this IBasicCommunication comm, BasicTriList trilist, uint joinStart)
+		{
+			// this is a permanent event handler. This cannot be -= from event
+			comm.TextReceived += (s, a) => trilist.SetString(joinStart, a.Text);
+			trilist.SetStringSigAction(joinStart, new Action<string>(s => comm.SendText(s)));
+			var sComm = comm as ISocketStatus;
+			if (sComm != null)
+			{
+				sComm.ConnectionChange += (s, a) =>
+				{
+					trilist.SetUshort(joinStart, (ushort)(a.Client.ClientStatus));
+					trilist.SetBool(joinStart, a.Client.ClientStatus == 
+						Crestron.SimplSharp.CrestronSockets.SocketStatus.SOCKET_STATUS_CONNECTED);
+				};
+
+				trilist.SetBoolSigAction(joinStart, new Action<bool>(b =>
+				{
+					if (b)
+					{
+						sComm.Connect();
+					}
+					else
+					{
+						sComm.Disconnect();
+					}
+				}));
+			}
+		}
+	}
+}
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