diff --git a/src/resources/wait-list.test.ts b/src/resources/wait-list.test.ts
index bc56131..af89d42 100644
--- a/src/resources/wait-list.test.ts
+++ b/src/resources/wait-list.test.ts
@@ -1,11 +1,12 @@
 import mockAxios from 'axios';
 
+import Attendee from '../models/attendee';
 import WaitList from './wait-list';
 
 it('will set location filter using a number', async () => {
   const resource = new WaitList(mockAxios);
 
-  expect(resource.at(1)).toHaveProperty('filters', {
+  expect(resource.at(1)).toHaveProperty('relationships', {
     location: 1,
   });
 });
@@ -13,7 +14,7 @@ it('will set location filter using a number', async () => {
 it('will set location filter using a numeric string', async () => {
   const resource = new WaitList(mockAxios);
 
-  expect(resource.at('1')).toHaveProperty('filters', {
+  expect(resource.at('1')).toHaveProperty('relationships', {
     location: '1',
   });
 });
@@ -21,7 +22,7 @@ it('will set location filter using a numeric string', async () => {
 it('will set service filter using a number', async () => {
   const resource = new WaitList(mockAxios);
 
-  expect(resource.seeking(1)).toHaveProperty('filters', {
+  expect(resource.seeking(1)).toHaveProperty('relationships', {
     service: 1,
   });
 });
@@ -29,7 +30,7 @@ it('will set service filter using a number', async () => {
 it('will set service filter using a numeric string', async () => {
   const resource = new WaitList(mockAxios);
 
-  expect(resource.seeking('1')).toHaveProperty('filters', {
+  expect(resource.seeking('1')).toHaveProperty('relationships', {
     service: '1',
   });
 });
@@ -37,7 +38,7 @@ it('will set service filter using a numeric string', async () => {
 it('will set user filter using a number', async () => {
   const resource = new WaitList(mockAxios);
 
-  expect(resource.with(1)).toHaveProperty('filters', {
+  expect(resource.with(1)).toHaveProperty('relationships', {
     user: 1,
   });
 });
@@ -45,7 +46,7 @@ it('will set user filter using a number', async () => {
 it('will set user filter using a numeric string', async () => {
   const resource = new WaitList(mockAxios);
 
-  expect(resource.with('1')).toHaveProperty('filters', {
+  expect(resource.with('1')).toHaveProperty('relationships', {
     user: '1',
   });
 });
@@ -74,6 +75,15 @@ it('will set the includes parameter using a comma separated string', async () =>
   });
 });
 
+it('can set an attendee for the wait list request', async () => {
+  const resource = new WaitList(mockAxios);
+  const attendee = new Attendee;
+
+  expect(resource.for(attendee)).toHaveProperty('relationships', {
+    attendee,
+  });
+});
+
 it('can create a new wait list request for a given client using only required attributes', async () => {
   //
 });
diff --git a/src/resources/wait-list.ts b/src/resources/wait-list.ts
index 6cc995a..25bdd8d 100644
--- a/src/resources/wait-list.ts
+++ b/src/resources/wait-list.ts
@@ -1,19 +1,19 @@
 import { AxiosInstance } from 'axios';
 
-import { WaitListFilter } from '../types/filters';
 import { AttendeeModel, PreferenceModel } from '../types/models';
 import { IncludableParameters, WaitListUrlParameters } from '../types/parameters';
+import { WaitListRelationship } from '../types/relationships';
 import { WaitListResource } from '../types/resources';
 
 export default class WaitList implements WaitListResource {
   protected client: AxiosInstance;
-  protected filters: WaitListFilter;
   protected parameters: WaitListUrlParameters;
+  protected relationships: WaitListRelationship;
 
   constructor(client: AxiosInstance) {
     this.client = client;
-    this.filters = {};
     this.parameters = {};
+    this.relationships = {};
   }
 
   public async add(): Promise<any> {
@@ -21,7 +21,7 @@ export default class WaitList implements WaitListResource {
   }
 
   public at(location: number | string): this {
-    this.filters.location = location;
+    this.relationships.location = location;
 
     return this;
   }
@@ -44,6 +44,8 @@ export default class WaitList implements WaitListResource {
   }
 
   public for(attendee: AttendeeModel): this {
+    this.relationships.attendee = attendee;
+
     return this;
   }
 
@@ -57,6 +59,10 @@ export default class WaitList implements WaitListResource {
     return this;
   }
 
+  public provided(notes: string): this {
+    return this;
+  }
+
   public async remove(list: number | string): Promise<any> {
     const { client } = this.parameters;
 
@@ -64,7 +70,7 @@ export default class WaitList implements WaitListResource {
   }
 
   public seeking(service: number | string): this {
-    this.filters.service = service;
+    this.relationships.service = service;
 
     return this;
   }
@@ -74,7 +80,7 @@ export default class WaitList implements WaitListResource {
   }
 
   public with(user: number | string): this {
-    this.filters.user = user;
+    this.relationships.user = user;
 
     return this;
   }
diff --git a/src/types/filters.d.ts b/src/types/filters.d.ts
index 1fd58d6..82d4f90 100644
--- a/src/types/filters.d.ts
+++ b/src/types/filters.d.ts
@@ -46,9 +46,3 @@ export interface UserFilter {
   services?: number | number[] | string | string[];
   location?: number | string;
 }
-
-export interface WaitListFilter {
-  location?: number | string;
-  service?: number | string;
-  user?: number | string;
-}
diff --git a/src/types/relationships.d.ts b/src/types/relationships.d.ts
index 8825853..9656970 100644
--- a/src/types/relationships.d.ts
+++ b/src/types/relationships.d.ts
@@ -3,3 +3,10 @@ import { AttendeeModel } from './models';
 export interface AppointmentRelationship {
   attendees?: AttendeeModel[] | []
 }
+
+export interface WaitListRelationship {
+  attendee?: AttendeeModel;
+  location?: number | string;
+  service?: number | string;
+  user?: number | string;
+}
diff --git a/src/types/resources.d.ts b/src/types/resources.d.ts
index e7989ce..6b90e0b 100644
--- a/src/types/resources.d.ts
+++ b/src/types/resources.d.ts
@@ -90,6 +90,8 @@ export interface WaitListResource {
 
   prefers(preferences: PreferenceModel | PreferenceModel[]): this;
 
+  provided(notes: string): this;
+
   remove(list: number | string): Promise<any>;
 
   seeking(service: number | string): this;