diff --git a/apps/client/src/features/base/atoms/base-atoms.ts b/apps/client/src/features/base/atoms/base-atoms.ts
index cd621511..6dbf1bb1 100644
--- a/apps/client/src/features/base/atoms/base-atoms.ts
+++ b/apps/client/src/features/base/atoms/base-atoms.ts
@@ -10,3 +10,6 @@ export const activePropertyMenuAtom = atom<string | null>(null);
 export const propertyMenuDirtyAtom = atom<boolean>(false);
 
 export const propertyMenuCloseRequestAtom = atom<number>(0);
+
+export const selectedRowIdsAtom = atom<Set<string>>(new Set<string>());
+export const lastToggledRowIndexAtom = atom<number | null>(null);