WebAPI: layer type

Frontend/src/app/services/notifications.service.ts

@@ -9,13 +9,13 @@ import moment, { Moment } from 'moment';
 })
 export class NotificationsService {
 
-  public messages: Message[] = [];
+  public messages: IMessage[] = [];
   private handler?: MatBottomSheetRef;
 
   constructor(
     private bottomSheet$: MatBottomSheet
   ) { }
-  public add(message: Message): string {
+  public add(message: IMessage): string {
     message.id = uuidv4();
     message.createdAt = moment();
     this.messages.push(message);
@@ -55,13 +55,13 @@ export class NotificationsService {
       return a.createdAt && a.createdAt.isAfter(b.createdAt) ? 1 : -1;
     })
   }
-  doAction(message: Message) {
+  doAction(message: IMessage) {
     if (message.action) { message.action(); }
     this.remove(message.id, false);
   }
 }
 
-interface Message {
+interface IMessage {
   id?: string;
   text: string;
   duration?: number;