diff --git a/Camunda.Api.Client/Camunda.Api.Client.csproj b/Camunda.Api.Client/Camunda.Api.Client.csproj
index e5bf546..12f5f3f 100644
--- a/Camunda.Api.Client/Camunda.Api.Client.csproj
+++ b/Camunda.Api.Client/Camunda.Api.Client.csproj
@@ -4,7 +4,7 @@
     <TargetFrameworks>netstandard2.0;net461</TargetFrameworks>
     <GenerateDocumentationFile Condition=" '$(Configuration)' == 'Release' ">true</GenerateDocumentationFile>    
     <GeneratePackageOnBuild>true</GeneratePackageOnBuild>
-    <Version>2.2.0</Version>
+    <Version>2.3.0</Version>
     <Product>Camunda REST API Client</Product>
     <Company />
     <Authors>Jan Lucansky</Authors>
diff --git a/Camunda.Api.Client/ExternalTask/FetchExternalTaskTopic.cs b/Camunda.Api.Client/ExternalTask/FetchExternalTaskTopic.cs
index d51f226..ff69d0d 100644
--- a/Camunda.Api.Client/ExternalTask/FetchExternalTaskTopic.cs
+++ b/Camunda.Api.Client/ExternalTask/FetchExternalTaskTopic.cs
@@ -1,4 +1,5 @@
-using System.Collections.Generic;
+using Newtonsoft.Json;
+using System.Collections.Generic;
 
 namespace Camunda.Api.Client.ExternalTask
 {
@@ -13,19 +14,74 @@ public FetchExternalTaskTopic(string topicName, long lockDuration)
         }
 
         /// <summary>
-        /// The topic's name
+        ///  A String value which enables the filtering of tasks based on process instance business key.
         /// </summary>
-        public string TopicName;
+        public string BusinessKey;
+
+        /// <summary>
+        /// Determines whether serializable variable values (typically variables that store custom Java objects) should be deserialized on server side (default false).
+        /// </summary>
+        public bool DeserializeValues;
+
+        /// <summary>
+        /// If true only local variables will be fetched.
+        /// </summary>
+        public bool LocalVariables;
+
         /// <summary>
         /// The duration to lock the external tasks for in milliseconds.
         /// </summary>
         public long LockDuration;
+
+        /// <summary>
+        /// Filter tasks based on process definition id.
+        /// </summary>
+        public string ProcessDefinitionId;
+
+        /// <summary>
+        /// Filter tasks based on process definition ids.
+        /// </summary>
+        [JsonProperty("processDefinitionIdIn")]
+        public List<string> ProcessDefinitionIds = new List<string>();
+
+        /// <summary>
+        /// Filter tasks based on process definition key.
+        /// </summary>
+        public string ProcessDefinitionKey;
+
+        /// <summary>
+        /// Filter tasks based on process definition keys.
+        /// </summary>
+        [JsonProperty("processDefinitionKeyIn")]
+        public List<string> ProcessDefinitionKeys = new List<string>();
+
+        /// <summary>
+        /// A map of variables used for filtering tasks based on process instance variable values.
+        /// </summary>
+        public Dictionary<string, object> ProcessVariables = new Dictionary<string, object>();
+
+        /// <summary>
+        /// Filter tasks based on tenant ids.
+        /// </summary>
+        [JsonProperty("tenantIdIn")]
+        public List<string> TenantIds = new List<string>();
+
         /// <summary>
-        /// Array of String values that represent variable names. 
+        /// The topic's name
+        /// </summary>
+        public string TopicName;
+
+        /// <summary>
+        /// Array of String values that represent variable names.
         /// For each result task belonging to this topic, the given variables are returned as well if they are accessible from the external task's execution.
         /// </summary>
         public List<string> Variables;
 
+        /// <summary>
+        /// Filter tasks without tenant id.
+        /// </summary>
+        public bool WithoutTenantId;
+
         public override string ToString() => TopicName;
     }
-}
+}
\ No newline at end of file