# API Changes in v2.24 > Reference: API changes of Opc.UaFx.Advanced in v2.24: 55 added, 0 removed, 2 changed, 1 obsoleted.
Release
v2.24.0
Compared with
v2.23.0
Package
Opc.UaFx.Advanced
## Added ### Opc.UaFx | Symbol | Signature | |---|---| | [IOpcAsyncMethodCommand](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.iopcasyncmethodcommand/)1 member | `public interface IOpcAsyncMethodCommand : IOpcMethodCommand` | | [OpcAutomatism.UseAsyncMethodCalls](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcautomatism/members#useasyncmethodcalls) | `public static bool UseAsyncMethodCalls { get; set; }` | | [OpcMethodCommands.Execute](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcmethodcommands/members#execute) | `public static IOpcMethodCommand Execute(OpcMethodCommands.ExecuteDelegate callback)` | | [OpcMethodCommands.ExecuteAsync](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcmethodcommands/members#executeasync) | `public static IOpcAsyncMethodCommand ExecuteAsync(OpcMethodCommands.ExecuteAsyncDelegate callback)` | | [OpcMethodCommands.ExecuteAsyncDelegate](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcmethodcommands.executeasyncdelegate/) | `public delegate Task OpcMethodCommands.ExecuteAsyncDelegate(OpcMethodContext context, IList inputArguments, IList outputArguments)` | | [OpcMethodCommands.ExecuteDelegate](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcmethodcommands.executedelegate/) | `public delegate OpcResult OpcMethodCommands.ExecuteDelegate(OpcMethodContext context, IList inputArguments, IList outputArguments)` | | [OpcRange](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcrange/)31 members | `[OpcDataType(291)] public readonly struct OpcRange : IComparable, IComparable, IEquatable` | | [OpcReadNode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcreadnode/members#opcreadnode-system-int32-system-int32-opc-uafx-opcattribute-opc-uafx-opcrange) | `public OpcReadNode(int nodeId, int namespaceIndex, OpcAttribute attribute, OpcRange range)` | | [OpcReadNode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcreadnode/members#opcreadnode-system-int32-system-int32-opc-uafx-opcrange) | `public OpcReadNode(int nodeId, int namespaceIndex, OpcRange range)` | | [OpcReadNode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcreadnode/members#opcreadnode-system-int32-opc-uafx-opcattribute-opc-uafx-opcrange) | `public OpcReadNode(int nodeId, OpcAttribute attribute, OpcRange range)` | | [OpcReadNode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcreadnode/members#opcreadnode-system-int32-opc-uafx-opcrange) | `public OpcReadNode(int nodeId, OpcRange range)` | | [OpcReadNode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcreadnode/members#opcreadnode-opc-uafx-opcnodeid-opc-uafx-opcattribute-opc-uafx-opcrange) | `public OpcReadNode(OpcNodeId nodeId, OpcAttribute attribute, OpcRange range)` | | [OpcReadNode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcreadnode/members#opcreadnode-opc-uafx-opcnodeid-opc-uafx-opcrange) | `public OpcReadNode(OpcNodeId nodeId, OpcRange range)` | | [OpcReadNode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcreadnode/members#opcreadnode-system-string-system-int32-opc-uafx-opcattribute-opc-uafx-opcrange) | `public OpcReadNode(string nodeId, int namespaceIndex, OpcAttribute attribute, OpcRange range)` | | [OpcReadNode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcreadnode/members#opcreadnode-system-string-system-int32-opc-uafx-opcrange) | `public OpcReadNode(string nodeId, int namespaceIndex, OpcRange range)` | | [OpcReadNode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcreadnode/members#opcreadnode-system-string-opc-uafx-opcattribute-opc-uafx-opcrange) | `public OpcReadNode(string nodeId, OpcAttribute attribute, OpcRange range)` | | [OpcReadNode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcreadnode/members#opcreadnode-system-string-opc-uafx-opcrange) | `public OpcReadNode(string nodeId, OpcRange range)` | | [OpcReadNode.Range](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcreadnode/members#range) | `public OpcRange Range { get; }` | | [OpcWriteNode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcwritenode/members#opcwritenode-system-int32-system-int32-opc-uafx-opcattribute-opc-uafx-opcrange-system-object) | `public OpcWriteNode(int nodeId, int namespaceIndex, OpcAttribute attribute, OpcRange range, object value)` | | [OpcWriteNode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcwritenode/members#opcwritenode-system-int32-system-int32-opc-uafx-opcrange-system-object) | `public OpcWriteNode(int nodeId, int namespaceIndex, OpcRange range, object value)` | | [OpcWriteNode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcwritenode/members#opcwritenode-system-int32-opc-uafx-opcattribute-opc-uafx-opcrange-system-object) | `public OpcWriteNode(int nodeId, OpcAttribute attribute, OpcRange range, object value)` | | [OpcWriteNode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcwritenode/members#opcwritenode-system-int32-opc-uafx-opcrange-system-object) | `public OpcWriteNode(int nodeId, OpcRange range, object value)` | | [OpcWriteNode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcwritenode/members#opcwritenode-opc-uafx-opcnodeid-opc-uafx-opcattribute-opc-uafx-opcrange-system-object) | `public OpcWriteNode(OpcNodeId nodeId, OpcAttribute attribute, OpcRange range, object value)` | | [OpcWriteNode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcwritenode/members#opcwritenode-opc-uafx-opcnodeid-opc-uafx-opcrange-system-object) | `public OpcWriteNode(OpcNodeId nodeId, OpcRange range, object value)` | | [OpcWriteNode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcwritenode/members#opcwritenode-system-string-system-int32-opc-uafx-opcattribute-opc-uafx-opcrange-system-object) | `public OpcWriteNode(string nodeId, int namespaceIndex, OpcAttribute attribute, OpcRange range, object value)` | | [OpcWriteNode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcwritenode/members#opcwritenode-system-string-system-int32-opc-uafx-opcrange-system-object) | `public OpcWriteNode(string nodeId, int namespaceIndex, OpcRange range, object value)` | | [OpcWriteNode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcwritenode/members#opcwritenode-system-string-opc-uafx-opcattribute-opc-uafx-opcrange-system-object) | `public OpcWriteNode(string nodeId, OpcAttribute attribute, OpcRange range, object value)` | | [OpcWriteNode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcwritenode/members#opcwritenode-system-string-opc-uafx-opcrange-system-object) | `public OpcWriteNode(string nodeId, OpcRange range, object value)` | | [OpcWriteNode.Range](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcwritenode/members#range) | `public OpcRange Range { get; }` | ### Opc.UaFx.Client | Symbol | Signature | |---|---| | [OpcClient.ReadNode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.client.opcclient/readnode#readnode-system-int32-system-int32-opc-uafx-opcattribute-opc-uafx-opcrange) | `public OpcValue ReadNode(int nodeId, int namespaceIndex, OpcAttribute attribute, OpcRange range)` | | [OpcClient.ReadNode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.client.opcclient/readnode#readnode-system-int32-system-int32-opc-uafx-opcrange) | `public OpcValue ReadNode(int nodeId, int namespaceIndex, OpcRange range)` | | [OpcClient.ReadNode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.client.opcclient/readnode#readnode-system-int32-opc-uafx-opcattribute-opc-uafx-opcrange) | `public OpcValue ReadNode(int nodeId, OpcAttribute attribute, OpcRange range)` | | [OpcClient.ReadNode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.client.opcclient/readnode#readnode-system-int32-opc-uafx-opcrange) | `public OpcValue ReadNode(int nodeId, OpcRange range)` | | [OpcClient.ReadNode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.client.opcclient/readnode#readnode-opc-uafx-opcnodeid-opc-uafx-opcattribute-opc-uafx-opcrange) | `public OpcValue ReadNode(OpcNodeId nodeId, OpcAttribute attribute, OpcRange range)` | | [OpcClient.ReadNode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.client.opcclient/readnode#readnode-opc-uafx-opcnodeid-opc-uafx-opcrange) | `public OpcValue ReadNode(OpcNodeId nodeId, OpcRange range)` | | [OpcClient.ReadNode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.client.opcclient/readnode#readnode-system-string-system-int32-opc-uafx-opcattribute-opc-uafx-opcrange) | `public OpcValue ReadNode(string nodeId, int namespaceIndex, OpcAttribute attribute, OpcRange range)` | | [OpcClient.ReadNode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.client.opcclient/readnode#readnode-system-string-system-int32-opc-uafx-opcrange) | `public OpcValue ReadNode(string nodeId, int namespaceIndex, OpcRange range)` | | [OpcClient.ReadNode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.client.opcclient/readnode#readnode-system-string-opc-uafx-opcattribute-opc-uafx-opcrange) | `public OpcValue ReadNode(string nodeId, OpcAttribute attribute, OpcRange range)` | | [OpcClient.ReadNode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.client.opcclient/readnode#readnode-system-string-opc-uafx-opcrange) | `public OpcValue ReadNode(string nodeId, OpcRange range)` | | [OpcClient.ReadNodes](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.client.opcclient/readnodes#readnodes-opc-uafx-opcattribute-opc-uafx-opcrange-system-collections-generic-ienumerable-of-opc-uafx-opcnodeid) | `public IEnumerable ReadNodes(OpcAttribute attribute, OpcRange range, IEnumerable nodeIds)` | | [OpcClient.ReadNodes](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.client.opcclient/readnodes#readnodes-opc-uafx-opcattribute-opc-uafx-opcrange-opc-uafx-opcnodeid-array) | `public IEnumerable ReadNodes(OpcAttribute attribute, OpcRange range, params OpcNodeId[] nodeIds)` | | [OpcClient.ReadNodes](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.client.opcclient/readnodes#readnodes-opc-uafx-opcrange-system-collections-generic-ienumerable-of-opc-uafx-opcnodeid) | `public IEnumerable ReadNodes(OpcRange range, IEnumerable nodeIds)` | | [OpcClient.ReadNodes](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.client.opcclient/readnodes#readnodes-opc-uafx-opcrange-opc-uafx-opcnodeid-array) | `public IEnumerable ReadNodes(OpcRange range, params OpcNodeId[] nodeIds)` | | [OpcClient.WriteNode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.client.opcclient/writenode#writenode-system-int32-system-int32-opc-uafx-opcattribute-opc-uafx-opcrange-system-object) | `public OpcStatus WriteNode(int nodeId, int namespaceIndex, OpcAttribute attribute, OpcRange range, object value)` | | [OpcClient.WriteNode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.client.opcclient/writenode#writenode-system-int32-system-int32-opc-uafx-opcrange-system-object) | `public OpcStatus WriteNode(int nodeId, int namespaceIndex, OpcRange range, object value)` | | [OpcClient.WriteNode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.client.opcclient/writenode#writenode-system-int32-opc-uafx-opcattribute-opc-uafx-opcrange-system-object) | `public OpcStatus WriteNode(int nodeId, OpcAttribute attribute, OpcRange range, object value)` | | [OpcClient.WriteNode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.client.opcclient/writenode#writenode-system-int32-opc-uafx-opcrange-system-object) | `public OpcStatus WriteNode(int nodeId, OpcRange range, object value)` | | [OpcClient.WriteNode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.client.opcclient/writenode#writenode-opc-uafx-opcnodeid-opc-uafx-opcattribute-opc-uafx-opcrange-system-object) | `public OpcStatus WriteNode(OpcNodeId nodeId, OpcAttribute attribute, OpcRange range, object value)` | | [OpcClient.WriteNode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.client.opcclient/writenode#writenode-opc-uafx-opcnodeid-opc-uafx-opcrange-system-object) | `public OpcStatus WriteNode(OpcNodeId nodeId, OpcRange range, object value)` | | [OpcClient.WriteNode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.client.opcclient/writenode#writenode-system-string-system-int32-opc-uafx-opcattribute-opc-uafx-opcrange-system-object) | `public OpcStatus WriteNode(string nodeId, int namespaceIndex, OpcAttribute attribute, OpcRange range, object value)` | | [OpcClient.WriteNode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.client.opcclient/writenode#writenode-system-string-system-int32-opc-uafx-opcrange-system-object) | `public OpcStatus WriteNode(string nodeId, int namespaceIndex, OpcRange range, object value)` | | [OpcClient.WriteNode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.client.opcclient/writenode#writenode-system-string-opc-uafx-opcattribute-opc-uafx-opcrange-system-object) | `public OpcStatus WriteNode(string nodeId, OpcAttribute attribute, OpcRange range, object value)` | | [OpcClient.WriteNode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.client.opcclient/writenode#writenode-system-string-opc-uafx-opcrange-system-object) | `public OpcStatus WriteNode(string nodeId, OpcRange range, object value)` | ### Opc.UaFx.Server | Symbol | Signature | |---|---| | [OpcNodeAccessToken.Range](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.server.opcnodeaccesstoken/members#range) | `public OpcRange Range { get; }` | | [OpcNodeManager.UseAsyncMethodCalls](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.server.opcnodemanager/members#useasyncmethodcalls) | `protected virtual bool UseAsyncMethodCalls { get; }` | ## Changed ### Opc.UaFx | Symbol | Signature (old, new) | |---|---| | [OpcReadVariableValueContext<T>.Range](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcreadvariablevaluecontext-1/members#range) | `[CLSCompliant(false)] public NumericRange Range { get; }`
`public OpcRange Range { get; }` | | [OpcWriteVariableValueContext<T>.Range](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcwritevariablevaluecontext-1/members#range) | `[CLSCompliant(false)] public NumericRange Range { get; }`
`public OpcRange Range { get; }` | ## Obsoleted ### Opc.UaFx.Server | Symbol | Message | |---|---| | [OpcNodeAccessToken.IndexRange](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.server.opcnodeaccesstoken/members#indexrange) | Use new 'Range' property instead. |