Grabbed dndbeyond's source code

```
~/go/bin/sourcemapper -output ddb -jsurl https://media.dndbeyond.com/character-app/static/js/main.90aa78c5.js
```

ddb_main/tools/js/Shared/actions/toastMessage/actions.ts

@@ -0,0 +1,72 @@
+import { ToastMessageMeta } from "../../stores/typings";
+import * as actionTypes from "./actionTypes";
+import {
+  ToastErrorAction,
+  ToastRemoveAction,
+  ToastSuccessAction,
+} from "./typings";
+
+/**
+ *
+ * @param title
+ * @param message
+ * @param meta
+ */
+export function toastSuccess(
+  title: string,
+  message: string,
+  meta?: ToastMessageMeta
+): ToastSuccessAction {
+  return {
+    type: actionTypes.ADD_MESSAGE,
+    payload: {
+      toast: {
+        title,
+        message,
+      },
+      meta: {
+        level: "success",
+        ...meta,
+      },
+    },
+  };
+}
+
+/**
+ *
+ * @param title
+ * @param message
+ * @param meta
+ */
+export function toastError(
+  title: string,
+  message: string,
+  meta?: ToastMessageMeta
+): ToastErrorAction {
+  return {
+    type: actionTypes.ADD_MESSAGE,
+    payload: {
+      toast: {
+        title,
+        message,
+      },
+      meta: {
+        level: "error",
+        ...meta,
+      },
+    },
+  };
+}
+
+/**
+ *
+ * @param id
+ */
+export function removeToast(id: number | string): ToastRemoveAction {
+  return {
+    type: actionTypes.REMOVE_MESSAGE,
+    payload: {
+      id,
+    },
+  };
+}