diff --git a/TrackerZapper.xcodeproj/project.pbxproj b/TrackerZapper.xcodeproj/project.pbxproj
index d87e63f..7ce28c3 100644
--- a/TrackerZapper.xcodeproj/project.pbxproj
+++ b/TrackerZapper.xcodeproj/project.pbxproj
@@ -16,6 +16,7 @@
 		543DAE4F26DFDE66000B6705 /* Assets.xcassets in Resources */ = {isa = PBXBuildFile; fileRef = 543DAE4E26DFDE66000B6705 /* Assets.xcassets */; };
 		543DAE5226DFDE66000B6705 /* Preview Assets.xcassets in Resources */ = {isa = PBXBuildFile; fileRef = 543DAE5126DFDE66000B6705 /* Preview Assets.xcassets */; };
 		543DAE5526DFDE66000B6705 /* Main.storyboard in Resources */ = {isa = PBXBuildFile; fileRef = 543DAE5326DFDE66000B6705 /* Main.storyboard */; };
+		545CD0EF26EE518800589ADE /* DropDelegate.swift in Sources */ = {isa = PBXBuildFile; fileRef = 545CD0EE26EE518800589ADE /* DropDelegate.swift */; };
 		54C728D326E3B2AD002D63E0 /* Credits.rtf in Resources */ = {isa = PBXBuildFile; fileRef = 54C728D226E3B2AD002D63E0 /* Credits.rtf */; };
 /* End PBXBuildFile section */
 
@@ -29,6 +30,7 @@
 		543DAE5426DFDE66000B6705 /* Base */ = {isa = PBXFileReference; lastKnownFileType = file.storyboard; name = Base; path = Base.lproj/Main.storyboard; sourceTree = "<group>"; };
 		543DAE5626DFDE66000B6705 /* Info.plist */ = {isa = PBXFileReference; lastKnownFileType = text.plist.xml; path = Info.plist; sourceTree = "<group>"; };
 		543DAE5726DFDE66000B6705 /* TrackerZapper.entitlements */ = {isa = PBXFileReference; lastKnownFileType = text.plist.entitlements; path = TrackerZapper.entitlements; sourceTree = "<group>"; };
+		545CD0EE26EE518800589ADE /* DropDelegate.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = DropDelegate.swift; sourceTree = "<group>"; };
 		54C728D226E3B2AD002D63E0 /* Credits.rtf */ = {isa = PBXFileReference; lastKnownFileType = text.rtf; path = Credits.rtf; sourceTree = "<group>"; };
 /* End PBXFileReference section */
 
@@ -67,6 +69,7 @@
 			children = (
 				543DAE4A26DFDE65000B6705 /* AppDelegate.swift */,
 				540DD58A26ED3F91001CAA6B /* GeneralPreferencesView.swift */,
+				545CD0EE26EE518800589ADE /* DropDelegate.swift */,
 				54C728D226E3B2AD002D63E0 /* Credits.rtf */,
 				543DAE4E26DFDE66000B6705 /* Assets.xcassets */,
 				543DAE5326DFDE66000B6705 /* Main.storyboard */,
@@ -189,6 +192,7 @@
 			buildActionMask = 2147483647;
 			files = (
 				540DD58B26ED3F91001CAA6B /* GeneralPreferencesView.swift in Sources */,
+				545CD0EF26EE518800589ADE /* DropDelegate.swift in Sources */,
 				543DAE4B26DFDE65000B6705 /* AppDelegate.swift in Sources */,
 				540DD58926ED3CF6001CAA6B /* Constants.swift in Sources */,
 			);
diff --git a/TrackerZapper.xcodeproj/project.xcworkspace/xcuserdata/robb.xcuserdatad/UserInterfaceState.xcuserstate b/TrackerZapper.xcodeproj/project.xcworkspace/xcuserdata/robb.xcuserdatad/UserInterfaceState.xcuserstate
index def12c7..8391d0a 100644
Binary files a/TrackerZapper.xcodeproj/project.xcworkspace/xcuserdata/robb.xcuserdatad/UserInterfaceState.xcuserstate and b/TrackerZapper.xcodeproj/project.xcworkspace/xcuserdata/robb.xcuserdatad/UserInterfaceState.xcuserstate differ
diff --git a/TrackerZapper/DropDelegate.swift b/TrackerZapper/DropDelegate.swift
new file mode 100644
index 0000000..598daf0
--- /dev/null
+++ b/TrackerZapper/DropDelegate.swift
@@ -0,0 +1,51 @@
+//
+//  DropDelegate.swift
+//  TrackerZapper
+//
+//  Created by Robb Knight on 12/09/2021.
+//
+
+import Foundation
+import SwiftUI
+
+struct AppDropDelegate: DropDelegate
+{
+
+    func validateDrop(info: DropInfo) -> Bool
+    {
+        return true
+    }
+    
+    func dropEntered(info: DropInfo)
+    {
+        print ("Drop Entered")
+    }
+    
+    func performDrop(info: DropInfo) -> Bool
+    {
+        print ("performDrop")
+        NSSound(named: "Submarine")?.play()
+        
+        print (info)
+        print ("Has UniformTypeIdentifiers:", info.hasItemsConforming(to: uttypes))
+        
+        let items = info.itemProviders(for: uttypes)
+        print ("Number of items:",items.count)
+        print (items)
+
+        for item in items
+        {
+            item.loadItem(forTypeIdentifier: (kUTTypeFileURL as String), options: nil) {item, error in
+                guard let data = item as? Data, let url = URL(dataRepresentation: data, relativeTo: nil) else { return }
+                print(url)
+                if !url.absoluteString.contains(".app") {
+                    return
+                }
+                print(NSWorkspace.shared.frontmostApplication?.bundleURL)
+                // have bundle URL, how do I get the app bundle ID based on this so
+                // I can then match on NSWorkspace.shared.frontmostApplication?.bundleURL
+            }
+         }
+        return true
+    }
+}
diff --git a/TrackerZapper/GeneralPreferencesView.swift b/TrackerZapper/GeneralPreferencesView.swift
index e766d90..ad85ccf 100644
--- a/TrackerZapper/GeneralPreferencesView.swift
+++ b/TrackerZapper/GeneralPreferencesView.swift
@@ -10,8 +10,11 @@ import Preferences
 import KeyboardShortcuts
 import LaunchAtLogin
 
+let uttypes = [String(kUTTypeFileURL)]
+
 struct GeneralPreferencesView: View {
     private let contentWidth: Double = 300.0
+    let dropDelegate = AppDropDelegate()
 
     var body: some View {
         Preferences.Container(contentWidth: contentWidth) {
@@ -20,6 +23,9 @@ struct GeneralPreferencesView: View {
                     KeyboardShortcuts.Recorder(for: .toggleZapping)
                 }
                 LaunchAtLogin.Toggle()
+                Text("HELLO")
+                    .padding(20)
+                    .onDrop(of: uttypes, delegate: dropDelegate as! DropDelegate)
             }
         }
     }