diff --git a/docs/b2b-edition/specs/api-v3/authentication.yaml b/docs/b2b-edition/specs/api-v3/authentication.yaml
index b9526f005..caa4b9b43 100644
--- a/docs/b2b-edition/specs/api-v3/authentication.yaml
+++ b/docs/b2b-edition/specs/api-v3/authentication.yaml
@@ -591,6 +591,9 @@ paths:
                 channelId:
                   type: integer
                   description: BigCommerce channel ID
+                customerAccessToken:
+                  type: string
+                  description: BigCommerce Customer Access Token
               required:
                 - customerId
             examples:
@@ -598,6 +601,7 @@ paths:
                 value:
                   customerId: 999
                   channelId: 1
+                  customerAccessToken: <sometoken>
       tags:
         - Auth
 components: