diff --git a/client/src/shared/model/cart-notifications.ts b/client/src/shared/model/cart-notifications.ts
new file mode 100644
index 0000000..64f48f0
--- /dev/null
+++ b/client/src/shared/model/cart-notifications.ts
@@ -0,0 +1,8 @@
+import { createEvent, createStore } from 'effector'
+
+export const cartAdded = createEvent()
+export const cartDismissed = createEvent()
+
+export const $cartSnackOpen = createStore(false)
+  .on(cartAdded, () => true)
+  .on(cartDismissed, () => false)