diff --git a/src/contentScripts/communityConsole/threadToolbar/constants.js b/src/contentScripts/communityConsole/threadToolbar/constants.js
new file mode 100644
index 0000000..756d880
--- /dev/null
+++ b/src/contentScripts/communityConsole/threadToolbar/constants.js
@@ -0,0 +1,5 @@
+export const kEventFlattenThreadsUpdated =
+    'TWPTThreadToolbarFlattenThreadsUpdated';
+
+export const kRepliesSectionSelector =
+    'ec-thread .scTailwindThreadThreadcontentreplies-section';