diff --git a/src/types.ts b/src/types.ts
index 57d80fc..77f6feb 100644
--- a/src/types.ts
+++ b/src/types.ts
@@ -15,24 +15,33 @@ export interface RouterHook {
 export interface ToastData {
   title: ReactNode;
   body: ReactNode;
-  header?: ReactNode;
-  fullTemplateTitle?: ReactNode;
-  timestamp?: Date;
+  subtext?: ReactNode;
   logo?: ReactNode;
   icon?: ReactNode;
+  timestamp?: Date;
   onClick?: () => void;
   className?: string;
   contentClassName?: string;
+  /** ms before toast popup is hidden. defaults to 5 seconds */
   duration?: number;
+  /** ms before toast is removed from the tray. Valve's logic will always remove all toasts 48h after they are first viewed regardless of this value */
+  expiration?: number;
   critical?: boolean;
   eType?: number;
   sound?: number;
+  /** Hidden 10min after first viewed */
+  showNewIndicator?: boolean;
   playSound?: boolean;
   showToast?: boolean;
 }
 
+export interface ToastNotification {
+  data: ToastData,
+  dismiss: () => void;
+}
+
 export interface Toaster {
-  toast(toast: ToastData): void;
+  toast(toast: ToastData): ToastNotification;
 }
 
 export interface FilePickerRes {