diff --git a/package/signal/src/core.ts b/package/signal/src/core.ts
new file mode 100644
index 000000000..5bed01e56
--- /dev/null
+++ b/package/signal/src/core.ts
@@ -0,0 +1,24 @@
+import {SignalObject} from './type';
+
+/**
+ * Signal stack database.
+ */
+const signalStack: {
+  [SignalName in keyof VatrSignals]?: SignalObject<SignalName>;
+} = {};
+
+/**
+ * Access to signal option, Make new signal with default options if not exist.
+ */
+export function getSignalObject<SignalName extends keyof VatrSignals>(
+    signalName: SignalName,
+): SignalObject<SignalName> {
+  if (!signalStack[signalName]) {
+    signalStack[signalName] = {
+      disabled: false,
+      priorityListenerList: [],
+      listenerList: [],
+    };
+  }
+  return signalStack[signalName] as unknown as SignalObject<SignalName>;
+}