diff --git a/resources/ArkhamDBExport.js b/resources/ArkhamDBExport.js
index 6939b37..c595142 100644
--- a/resources/ArkhamDBExport.js
+++ b/resources/ArkhamDBExport.js
@@ -6,16 +6,14 @@
 
 useLibrary('imageutils');
 useLibrary('project');
+useLibrary('uilayout');
+useLibrary('uicontrols');
 
 // The resolution (in pixels per inch) of the exported images
 const RESOLUTION = 200;
 // The extension of the image file format to use, e.g., png, jpg
 const FORMAT = ImageUtils.FORMAT_JPEG;
 
-// TODO: should be defined in strange eons somewhere
-const pack_code = "kyo_player";
-const cycle_prefix = "43";
-
 function getName() {
 	return 'ArkhamDB Export';
 }
@@ -119,7 +117,7 @@ function replaceAll(str, search, replace) {
   return str.split(search).join(replace);
 }
 
-function build_card(component) {
+function build_card(component, pack_code, cycle_prefix) {
   function substitute_tags(str) {
     str = str.trim();
     str = replaceAll(str, "<fullname>", String(component.getName()));
@@ -139,7 +137,7 @@ function build_card(component) {
     illustrator: String(component.settings.get('Artist')),
     is_unique: component.settings.getBoolean('Unique'),
     name: substitute_tags(String(component.getName())),
-    pack_code: pack_code,
+    pack_code: String(pack_code),
     position: int_or_null(component.settings.get('CollectionNumber')),
     quantity: 2, // TODO
     //restrictions: null, // TODO
@@ -250,6 +248,20 @@ function exportCard(component, file) {
   }
 }
 
+function settingsDialog() {
+  const pack_code_field = textField("", 15);
+  const cycle_prefix_field = textField("", 3);
+  const panel = new Grid();
+  panel.place(
+    "Pack Code", "",
+    pack_code_field, "grow,span",
+    "Cycle Prefix", "",
+    cycle_prefix_field, "grow"
+  );
+  const close_button = panel.createDialog('ArkhamDB Export').showDialog();
+  return [close_button, pack_code_field.text, cycle_prefix_field.text];
+}
+
 function run() {
   const arkhamDBAction = JavaAdapter(TaskAction, {
     getLabel: function getLabel() {
@@ -271,9 +283,16 @@ function run() {
     },
     perform: function perform(project, task, member) {
       member = ProjectUtilities.simplify(project, task, member);
+      const [close_button, pack_code, cycle_prefix] = settingsDialog();
+
+      // User canceled the dialog or closed it without pressing ok
+      if (close_button != 1) {
+        return;
+      }
+
       Eons.setWaitCursor(true);
       try {
-        this.performImpl(member);
+        this.performImpl(member, pack_code, cycle_prefix);
       } catch (ex) {
         Error.handleUncaught(ex);
       } finally {
@@ -281,7 +300,7 @@ function run() {
         member.synchronize();
       }
     },
-    performImpl: function performImpl(member) {
+    performImpl: function performImpl(member, pack_code, cycle_prefix) {
 	  const children = member.children.filter(function (child) {
 		return ProjectUtilities.matchExtension(child, 'eon');
 	  });
@@ -293,7 +312,7 @@ function run() {
 		  let component = ResourceKit.getGameComponentFromFile(child.file);
 		  if (component.getFrontTemplateKey() in card_types) {
 			printf("Generating JSON/PNG for '%s'...\n", child);
-			let card_data = build_card(component);
+			let card_data = build_card(component, pack_code, cycle_prefix);
 			cards.push(card_data);
 
 			let export_dir = new File(member.file, 'export');