aws · ashishdhingra · Feb 24, 2025 · Feb 22, 2025
diff --git a/docgenerator/AWSSDKDocSamples/EC2/EC2.GeneratedSamples.cs b/docgenerator/AWSSDKDocSamples/EC2/EC2.GeneratedSamples.cs
@@ -2495,6 +2495,7 @@ public void EC2ModifyVolumeAttribute()
             var response = client.ModifyVolumeAttribute(new ModifyVolumeAttributeRequest 
             {
                 AutoEnableIO = jsondata object,
+                DryRun = true,
                 VolumeId = "vol-1234567890abcdef0"
             });
 

diff --git a/generator/.DevConfigs/f86aadd5-24d4-41e4-be6b-0b54bd495af6.json b/generator/.DevConfigs/f86aadd5-24d4-41e4-be6b-0b54bd495af6.json
@@ -0,0 +1,11 @@
+{
+    "services": [
+        {
+            "serviceName": "EC2",
+            "type": "patch",
+            "changeLogMessages": [
+                "[Breaking Change] Obsoleted DryRun method from service client. To perform a dry run use the DryRun property on the request object for individual EC2 operations."
+            ]
+        }
+    ]
+}
diff --git a/generator/ServiceModels/ec2/ec2.customizations.json b/generator/ServiceModels/ec2/ec2.customizations.json
@@ -126,11 +126,6 @@
         }
 	},
     "shapeModifiers": {
-        "*": {
-            "exclude": [
-                "DryRun"
-            ]
-        },
         "AttachVolumeResponse": {
             "modify": [
                 {

diff --git a/sdk/src/Services/EC2/Custom/AmazonEC2Client.Extensions.cs b/sdk/src/Services/EC2/Custom/AmazonEC2Client.Extensions.cs
@@ -149,6 +149,7 @@ private static Dictionary<Type, DryRunInfo> MethodCache
         /// </summary>
         /// <param name="request">Request to do a dry run of.</param>
         /// <returns>Result of the dry run.</returns>
+        [Obsolete("This method has been deprecated. Use DryRun property at request level instead.")]
         public DryRunResponse DryRun(AmazonEC2Request request)
         {
             DryRunResponse response = new DryRunResponse { IsSuccessful = false };

diff --git a/sdk/src/Services/EC2/Custom/IAmazonEC2.Extensions.cs b/sdk/src/Services/EC2/Custom/IAmazonEC2.Extensions.cs
@@ -20,11 +20,12 @@ namespace Amazon.EC2
 {
     public partial interface IAmazonEC2 : IAmazonService, IDisposable
 	{
-		/// <summary>
-		/// Checks whether you have the required permissions for the action, without actually making the request.
-		/// </summary>
-		/// <param name="request">Request to do a dry run of.</param>
-		/// <returns>Result of the dry run.</returns>
-		DryRunResponse DryRun(AmazonEC2Request request);
+        /// <summary>
+        /// Checks whether you have the required permissions for the action, without actually making the request.
+        /// </summary>
+        /// <param name="request">Request to do a dry run of.</param>
+        /// <returns>Result of the dry run.</returns>
+        [Obsolete("This method has been deprecated. Use DryRun property at request level instead.")]
+        DryRunResponse DryRun(AmazonEC2Request request);
 	}
 }
diff --git a/sdk/src/Services/EC2/Generated/Model/AcceptAddressTransferRequest.cs b/sdk/src/Services/EC2/Generated/Model/AcceptAddressTransferRequest.cs
@@ -37,6 +37,7 @@ namespace Amazon.EC2.Model
     public partial class AcceptAddressTransferRequest : AmazonEC2Request
     {
         private string _address;
+        private bool? _dryRun;
         private List<TagSpecification> _tagSpecifications = AWSConfigs.InitializeCollections ? new List<TagSpecification>() : null;
 
         /// <summary>
@@ -58,6 +59,26 @@ internal bool IsSetAddress()
             return this._address != null;
         }
 
+        /// <summary>
+        /// Gets and sets the property DryRun. 
+        /// <para>
+        /// Checks whether you have the required permissions for the action, without actually
+        /// making the request, and provides an error response. If you have the required permissions,
+        /// the error response is <c>DryRunOperation</c>. Otherwise, it is <c>UnauthorizedOperation</c>.
+        /// </para>
+        /// </summary>
+        public bool? DryRun
+        {
+            get { return this._dryRun; }
+            set { this._dryRun = value; }
+        }
+
+        // Check to see if DryRun property is set
+        internal bool IsSetDryRun()
+        {
+            return this._dryRun.HasValue; 
+        }
+
         /// <summary>
         /// Gets and sets the property TagSpecifications. 
         /// <para>

diff --git a/sdk/src/Services/EC2/Generated/Model/AcceptCapacityReservationBillingOwnershipRequest.cs b/sdk/src/Services/EC2/Generated/Model/AcceptCapacityReservationBillingOwnershipRequest.cs
@@ -38,6 +38,7 @@ namespace Amazon.EC2.Model
     public partial class AcceptCapacityReservationBillingOwnershipRequest : AmazonEC2Request
     {
         private string _capacityReservationId;
+        private bool? _dryRun;
 
         /// <summary>
         /// Gets and sets the property CapacityReservationId. 
@@ -58,5 +59,25 @@ internal bool IsSetCapacityReservationId()
             return this._capacityReservationId != null;
         }
 
+        /// <summary>
+        /// Gets and sets the property DryRun. 
+        /// <para>
+        /// Checks whether you have the required permissions for the action, without actually
+        /// making the request, and provides an error response. If you have the required permissions,
+        /// the error response is <c>DryRunOperation</c>. Otherwise, it is <c>UnauthorizedOperation</c>.
+        /// </para>
+        /// </summary>
+        public bool? DryRun
+        {
+            get { return this._dryRun; }
+            set { this._dryRun = value; }
+        }
+
+        // Check to see if DryRun property is set
+        internal bool IsSetDryRun()
+        {
+            return this._dryRun.HasValue; 
+        }
+
     }
 }
diff --git a/sdk/src/Services/EC2/Generated/Model/AcceptReservedInstancesExchangeQuoteRequest.cs b/sdk/src/Services/EC2/Generated/Model/AcceptReservedInstancesExchangeQuoteRequest.cs
@@ -36,9 +36,30 @@ namespace Amazon.EC2.Model
     /// </summary>
     public partial class AcceptReservedInstancesExchangeQuoteRequest : AmazonEC2Request
     {
+        private bool? _dryRun;
         private List<string> _reservedInstanceIds = AWSConfigs.InitializeCollections ? new List<string>() : null;
         private List<TargetConfigurationRequest> _targetConfigurations = AWSConfigs.InitializeCollections ? new List<TargetConfigurationRequest>() : null;
 
+        /// <summary>
+        /// Gets and sets the property DryRun. 
+        /// <para>
+        /// Checks whether you have the required permissions for the action, without actually
+        /// making the request, and provides an error response. If you have the required permissions,
+        /// the error response is <c>DryRunOperation</c>. Otherwise, it is <c>UnauthorizedOperation</c>.
+        /// </para>
+        /// </summary>
+        public bool? DryRun
+        {
+            get { return this._dryRun; }
+            set { this._dryRun = value; }
+        }
+
+        // Check to see if DryRun property is set
+        internal bool IsSetDryRun()
+        {
+            return this._dryRun.HasValue; 
+        }
+
         /// <summary>
         /// Gets and sets the property ReservedInstanceIds. 
         /// <para>

diff --git a/...rc/Services/EC2/Generated/Model/AcceptTransitGatewayMulticastDomainAssociationsRequest.cs b/...rc/Services/EC2/Generated/Model/AcceptTransitGatewayMulticastDomainAssociationsRequest.cs
@@ -35,10 +35,31 @@ namespace Amazon.EC2.Model
     /// </summary>
     public partial class AcceptTransitGatewayMulticastDomainAssociationsRequest : AmazonEC2Request
     {
+        private bool? _dryRun;
         private List<string> _subnetIds = AWSConfigs.InitializeCollections ? new List<string>() : null;
         private string _transitGatewayAttachmentId;
         private string _transitGatewayMulticastDomainId;
 
+        /// <summary>
+        /// Gets and sets the property DryRun. 
+        /// <para>
+        /// Checks whether you have the required permissions for the action, without actually
+        /// making the request, and provides an error response. If you have the required permissions,
+        /// the error response is <c>DryRunOperation</c>. Otherwise, it is <c>UnauthorizedOperation</c>.
+        /// </para>
+        /// </summary>
+        public bool? DryRun
+        {
+            get { return this._dryRun; }
+            set { this._dryRun = value; }
+        }
+
+        // Check to see if DryRun property is set
+        internal bool IsSetDryRun()
+        {
+            return this._dryRun.HasValue; 
+        }
+
         /// <summary>
         /// Gets and sets the property SubnetIds. 
         /// <para>

diff --git a/sdk/src/Services/EC2/Generated/Model/AcceptTransitGatewayPeeringAttachmentRequest.cs b/sdk/src/Services/EC2/Generated/Model/AcceptTransitGatewayPeeringAttachmentRequest.cs
@@ -36,8 +36,29 @@ namespace Amazon.EC2.Model
     /// </summary>
     public partial class AcceptTransitGatewayPeeringAttachmentRequest : AmazonEC2Request
     {
+        private bool? _dryRun;
         private string _transitGatewayAttachmentId;
 
+        /// <summary>
+        /// Gets and sets the property DryRun. 
+        /// <para>
+        /// Checks whether you have the required permissions for the action, without actually
+        /// making the request, and provides an error response. If you have the required permissions,
+        /// the error response is <c>DryRunOperation</c>. Otherwise, it is <c>UnauthorizedOperation</c>.
+        /// </para>
+        /// </summary>
+        public bool? DryRun
+        {
+            get { return this._dryRun; }
+            set { this._dryRun = value; }
+        }
+
+        // Check to see if DryRun property is set
+        internal bool IsSetDryRun()
+        {
+            return this._dryRun.HasValue; 
+        }
+
         /// <summary>
         /// Gets and sets the property TransitGatewayAttachmentId. 
         /// <para>

diff --git a/sdk/src/Services/EC2/Generated/Model/AcceptTransitGatewayVpcAttachmentRequest.cs b/sdk/src/Services/EC2/Generated/Model/AcceptTransitGatewayVpcAttachmentRequest.cs
@@ -42,8 +42,29 @@ namespace Amazon.EC2.Model
     /// </summary>
     public partial class AcceptTransitGatewayVpcAttachmentRequest : AmazonEC2Request
     {
+        private bool? _dryRun;
         private string _transitGatewayAttachmentId;
 
+        /// <summary>
+        /// Gets and sets the property DryRun. 
+        /// <para>
+        /// Checks whether you have the required permissions for the action, without actually
+        /// making the request, and provides an error response. If you have the required permissions,
+        /// the error response is <c>DryRunOperation</c>. Otherwise, it is <c>UnauthorizedOperation</c>.
+        /// </para>
+        /// </summary>
+        public bool? DryRun
+        {
+            get { return this._dryRun; }
+            set { this._dryRun = value; }
+        }
+
+        // Check to see if DryRun property is set
+        internal bool IsSetDryRun()
+        {
+            return this._dryRun.HasValue; 
+        }
+
         /// <summary>
         /// Gets and sets the property TransitGatewayAttachmentId. 
         /// <para>

diff --git a/sdk/src/Services/EC2/Generated/Model/AcceptVpcEndpointConnectionsRequest.cs b/sdk/src/Services/EC2/Generated/Model/AcceptVpcEndpointConnectionsRequest.cs
@@ -35,9 +35,30 @@ namespace Amazon.EC2.Model
     /// </summary>
     public partial class AcceptVpcEndpointConnectionsRequest : AmazonEC2Request
     {
+        private bool? _dryRun;
         private string _serviceId;
         private List<string> _vpcEndpointIds = AWSConfigs.InitializeCollections ? new List<string>() : null;
 
+        /// <summary>
+        /// Gets and sets the property DryRun. 
+        /// <para>
+        /// Checks whether you have the required permissions for the action, without actually
+        /// making the request, and provides an error response. If you have the required permissions,
+        /// the error response is <c>DryRunOperation</c>. Otherwise, it is <c>UnauthorizedOperation</c>.
+        /// </para>
+        /// </summary>
+        public bool? DryRun
+        {
+            get { return this._dryRun; }
+            set { this._dryRun = value; }
+        }
+
+        // Check to see if DryRun property is set
+        internal bool IsSetDryRun()
+        {
+            return this._dryRun.HasValue; 
+        }
+
         /// <summary>
         /// Gets and sets the property ServiceId. 
         /// <para>

diff --git a/sdk/src/Services/EC2/Generated/Model/AcceptVpcPeeringConnectionRequest.cs b/sdk/src/Services/EC2/Generated/Model/AcceptVpcPeeringConnectionRequest.cs
@@ -44,8 +44,29 @@ namespace Amazon.EC2.Model
     /// </summary>
     public partial class AcceptVpcPeeringConnectionRequest : AmazonEC2Request
     {
+        private bool? _dryRun;
         private string _vpcPeeringConnectionId;
 
+        /// <summary>
+        /// Gets and sets the property DryRun. 
+        /// <para>
+        /// Checks whether you have the required permissions for the action, without actually
+        /// making the request, and provides an error response. If you have the required permissions,
+        /// the error response is <c>DryRunOperation</c>. Otherwise, it is <c>UnauthorizedOperation</c>.
+        /// </para>
+        /// </summary>
+        public bool? DryRun
+        {
+            get { return this._dryRun; }
+            set { this._dryRun = value; }
+        }
+
+        // Check to see if DryRun property is set
+        internal bool IsSetDryRun()
+        {
+            return this._dryRun.HasValue; 
+        }
+
         /// <summary>
         /// Gets and sets the property VpcPeeringConnectionId. 
         /// <para>

diff --git a/sdk/src/Services/EC2/Generated/Model/AdvertiseByoipCidrRequest.cs b/sdk/src/Services/EC2/Generated/Model/AdvertiseByoipCidrRequest.cs
@@ -61,6 +61,7 @@ public partial class AdvertiseByoipCidrRequest : AmazonEC2Request
     {
         private string _asn;
         private string _cidr;
+        private bool? _dryRun;
         private string _networkBorderGroup;
 
         /// <summary>
@@ -101,6 +102,26 @@ internal bool IsSetCidr()
             return this._cidr != null;
         }
 
+        /// <summary>
+        /// Gets and sets the property DryRun. 
+        /// <para>
+        /// Checks whether you have the required permissions for the action, without actually
+        /// making the request, and provides an error response. If you have the required permissions,
+        /// the error response is <c>DryRunOperation</c>. Otherwise, it is <c>UnauthorizedOperation</c>.
+        /// </para>
+        /// </summary>
+        public bool? DryRun
+        {
+            get { return this._dryRun; }
+            set { this._dryRun = value; }
+        }
+
+        // Check to see if DryRun property is set
+        internal bool IsSetDryRun()
+        {
+            return this._dryRun.HasValue; 
+        }
+
         /// <summary>
         /// Gets and sets the property NetworkBorderGroup. 
         /// <para>

diff --git a/sdk/src/Services/EC2/Generated/Model/AllocateAddressRequest.cs b/sdk/src/Services/EC2/Generated/Model/AllocateAddressRequest.cs
@@ -68,6 +68,7 @@ public partial class AllocateAddressRequest : AmazonEC2Request
         private string _address;
         private string _customerOwnedIpv4Pool;
         private DomainType _domain;
+        private bool? _dryRun;
         private string _ipamPoolId;
         private string _networkBorderGroup;
         private string _publicIpv4Pool;
@@ -129,6 +130,26 @@ internal bool IsSetDomain()
             return this._domain != null;
         }
 
+        /// <summary>
+        /// Gets and sets the property DryRun. 
+        /// <para>
+        /// Checks whether you have the required permissions for the action, without actually
+        /// making the request, and provides an error response. If you have the required permissions,
+        /// the error response is <c>DryRunOperation</c>. Otherwise, it is <c>UnauthorizedOperation</c>.
+        /// </para>
+        /// </summary>
+        public bool? DryRun
+        {
+            get { return this._dryRun; }
+            set { this._dryRun = value; }
+        }
+
+        // Check to see if DryRun property is set
+        internal bool IsSetDryRun()
+        {
+            return this._dryRun.HasValue; 
+        }
+
         /// <summary>
         /// Gets and sets the property IpamPoolId. 
         /// <para>