diff --git a/packages/payment/src/models/payment.ts b/packages/payment/src/models/payment.ts
index 15941df136..0f1b5071a0 100644
--- a/packages/payment/src/models/payment.ts
+++ b/packages/payment/src/models/payment.ts
@@ -63,6 +63,9 @@ export default class Payment {
   @Property({ columnType: "text", nullable: true })
   order_id: string | null
 
+  @Property({ columnType: "text", nullable: true })
+  order_edit_id: string | null
+
   @Property({ columnType: "text", nullable: true })
   customer_id: string | null
 
diff --git a/packages/types/src/payment/mutations.ts b/packages/types/src/payment/mutations.ts
index e5535aafbb..1c2e6ac925 100644
--- a/packages/types/src/payment/mutations.ts
+++ b/packages/types/src/payment/mutations.ts
@@ -14,11 +14,15 @@ export interface CreatePaymentDTO {
 
   cart_id?: string
   order_id?: string
+  order_edit_id?: string
   customer_id?: string
 }
 
 export interface UpdatePaymentDTO {
   cart_id?: string
   order_id?: string
+  order_edit_id?: string
   customer_id?: string
 }
+
+export interface CreatePaymentSessionDTO {}
diff --git a/packages/types/src/payment/service.ts b/packages/types/src/payment/service.ts
index 4980c4a7a4..2b8709cbc8 100644
--- a/packages/types/src/payment/service.ts
+++ b/packages/types/src/payment/service.ts
@@ -3,6 +3,7 @@ import { Context } from "../shared-context"
 import {
   CreatePaymentCollectionDTO,
   CreatePaymentDTO,
+  CreatePaymentSessionDTO,
   UpdatePaymentCollectionDTO,
   UpdatePaymentDTO,
 } from "./mutations"
@@ -69,6 +70,8 @@ export interface IPaymentModuleService extends IModuleService {
     sharedContext?: Context
   ): Promise<PaymentCollectionDTO>
 
+  /* ********** PAYMENTS ********** */
+
   createPayment(data: CreatePaymentDTO): Promise<PaymentDTO>
 
   capturePayment(paymentId: string, amount: number): Promise<PaymentDTO>
@@ -76,5 +79,22 @@ export interface IPaymentModuleService extends IModuleService {
 
   updatePayment(data: UpdatePaymentDTO): Promise<PaymentDTO>
 
-  // TODO: PaymentSession methods
+  /* ********** PAYMENT SESSIONS ********** */
+
+  createPaymentSession(
+    paymentCollectionId: string,
+    data: CreatePaymentSessionDTO
+  ): Promise<PaymentCollectionDTO>
+
+  authorizePaymentSessions(
+    paymentCollectionId: string,
+    sessionIds: string[]
+  ): Promise<PaymentCollectionDTO>
+
+  completePaymentSessions(
+    paymentCollectionId: string,
+    sessionIds: string[]
+  ): Promise<PaymentCollectionDTO>
+
+  // TODO: PaymentSession set session
 }