Adds messagable attribute setter

src/models/attendee.test.ts

@@ -41,3 +41,13 @@ it('can set location detail parameters and maintain existing attributes', async
     })
   );
 });
+
+it('can set that an attendee is messagable', async () => {
+  const attendee = new Attendee;
+
+  expect(attendee.messagable().getAttributes()).toEqual(
+    expect.objectContaining({
+      messagable: true,
+    })
+  );
+});

src/models/attendee.ts

@@ -28,6 +28,8 @@ export default class Attendee extends Model implements AttendeeModel {
   }
 
   public messagable(): this {
+    this.attributes.messagable = true;
+
     return this;
   }
 

src/types/parameters.d.ts

@@ -14,6 +14,7 @@ export interface AttendeeParameters {
   email: string | null;
   first_name: string | null;
   last_name: string | null;
+  messagable?: boolean;
   phone?: string;
   postcode?: string;
   region?: string;