diff --git a/official/docs/csharp/current/orders/one-call-buy.cs b/official/docs/csharp/current/orders/one-call-buy.cs
index 5beb5d5f..df627ebd 100644
--- a/official/docs/csharp/current/orders/one-call-buy.cs
+++ b/official/docs/csharp/current/orders/one-call-buy.cs
@@ -55,9 +55,12 @@ public static async Task Main()
                     }
                 },
                 Service = "NextDayAir",
-                CarrierAccountIds = new List<string>
+                CarrierAccounts = new List<CarrierAccount>
                 {
-                    "ca_..."
+                    new CarrierAccount
+                    {
+                        Id = "ca_..."
+                    }
                 }
             };
 
diff --git a/official/docs/csharp/current/pickups/create.cs b/official/docs/csharp/current/pickups/create.cs
index d9dfc9ba..a013f4ca 100644
--- a/official/docs/csharp/current/pickups/create.cs
+++ b/official/docs/csharp/current/pickups/create.cs
@@ -33,7 +33,14 @@ public static async Task Main()
                 MinDatetime = "2022-10-01 10:30:00",
                 MaxDatetime = "2022-10-01 17:30:00",
                 Instructions = "Special pickup instructions",
-                IsAccountAddress = false
+                IsAccountAddress = false,
+                CarrierAccounts = new List<CarrierAccount>
+                {
+                    new CarrierAccount
+                    {
+                        Id = "ca_..."
+                    }
+                }
             };
 
             Pickup pickup = await client.Pickup.Create(parameters);
diff --git a/official/docs/csharp/v5/orders/one-call-buy.cs b/official/docs/csharp/v5/orders/one-call-buy.cs
index e5af0ad1..41ac6b0b 100644
--- a/official/docs/csharp/v5/orders/one-call-buy.cs
+++ b/official/docs/csharp/v5/orders/one-call-buy.cs
@@ -55,9 +55,12 @@ public static async Task Main()
                     }
                 },
                 Service = "NextDayAir",
-                CarrierAccountIds = new List<string>
+                CarrierAccounts = new List<CarrierAccount>
                 {
-                    "ca_..."
+                    new CarrierAccount
+                    {
+                        Id = "ca_..."
+                    }
                 }
             };
 
diff --git a/official/docs/csharp/v5/pickups/create.cs b/official/docs/csharp/v5/pickups/create.cs
index d8719248..131a0066 100644
--- a/official/docs/csharp/v5/pickups/create.cs
+++ b/official/docs/csharp/v5/pickups/create.cs
@@ -33,7 +33,14 @@ public static async Task Main()
                 MinDatetime = "2022-10-01 10:30:00",
                 MaxDatetime = "2022-10-01 17:30:00",
                 Instructions = "Special pickup instructions",
-                IsAccountAddress = false
+                IsAccountAddress = false,
+                CarrierAccounts = new List<CarrierAccount>
+                {
+                    new CarrierAccount
+                    {
+                        Id = "ca_..."
+                    }
+                }
             };
 
             Pickup pickup = await client.Pickup.Create(parameters);