diff --git a/src/abstractions/api.service.ts b/src/abstractions/api.service.ts
index 046e6226b8c..a2e5f485423 100644
--- a/src/abstractions/api.service.ts
+++ b/src/abstractions/api.service.ts
@@ -31,6 +31,7 @@ import { PaymentRequest } from '../models/request/paymentRequest';
 import { PreloginRequest } from '../models/request/preloginRequest';
 import { RegisterRequest } from '../models/request/registerRequest';
 import { SeatRequest } from '../models/request/seatRequest';
+import { SelectionReadOnlyRequest } from '../models/request/selectionReadOnlyRequest';
 import { StorageRequest } from '../models/request/storageRequest';
 import { TokenRequest } from '../models/request/tokenRequest';
 import { TwoFactorEmailRequest } from '../models/request/twoFactorEmailRequest';
@@ -159,6 +160,7 @@ export abstract class ApiService {
     getCollections: (organizationId: string) => Promise<ListResponse<CollectionResponse>>;
     getCollectionUsers: (organizationId: string, id: string) => Promise<ListResponse<SelectionReadOnlyResponse>>;
     postCollection: (organizationId: string, request: CollectionRequest) => Promise<CollectionResponse>;
+    putCollectionUsers: (organizationId: string, id: string, request: SelectionReadOnlyRequest[]) => Promise<any>;
     putCollection: (organizationId: string, id: string, request: CollectionRequest) => Promise<CollectionResponse>;
     deleteCollection: (organizationId: string, id: string) => Promise<any>;
     deleteCollectionUser: (organizationId: string, id: string, organizationUserId: string) => Promise<any>;
diff --git a/src/services/api.service.ts b/src/services/api.service.ts
index b3ad4b03ba1..a7b6f530c8f 100644
--- a/src/services/api.service.ts
+++ b/src/services/api.service.ts
@@ -37,6 +37,7 @@ import { PaymentRequest } from '../models/request/paymentRequest';
 import { PreloginRequest } from '../models/request/preloginRequest';
 import { RegisterRequest } from '../models/request/registerRequest';
 import { SeatRequest } from '../models/request/seatRequest';
+import { SelectionReadOnlyRequest } from '../models/request/selectionReadOnlyRequest';
 import { StorageRequest } from '../models/request/storageRequest';
 import { TokenRequest } from '../models/request/tokenRequest';
 import { TwoFactorEmailRequest } from '../models/request/twoFactorEmailRequest';
@@ -461,6 +462,11 @@ export class ApiService implements ApiServiceAbstraction {
         return new CollectionResponse(r);
     }
 
+    async putCollectionUsers(organizationId: string, id: string, request: SelectionReadOnlyRequest[]): Promise<any> {
+        await this.send('PUT', '/organizations/' + organizationId + '/collections/' + id + '/users',
+            request, true, false);
+    }
+
     deleteCollection(organizationId: string, id: string): Promise<any> {
         return this.send('DELETE', '/organizations/' + organizationId + '/collections/' + id, null, true, false);
     }