diff --git a/src/WorkflowCore.DSL/Services/DefinitionLoader.cs b/src/WorkflowCore.DSL/Services/DefinitionLoader.cs
index c5cc5e083..bff2b1725 100644
--- a/src/WorkflowCore.DSL/Services/DefinitionLoader.cs
+++ b/src/WorkflowCore.DSL/Services/DefinitionLoader.cs
@@ -201,13 +201,21 @@ private void AttachInputs(StepSourceV1 source, Type dataType, Type stepType, Wor
                     continue;
                 }
 
-                if ((input.Value is IDictionary<string, object>) || (input.Value is IDictionary<object, object>))
+                if (input.Value is IDictionary<string, object> || input.Value is IDictionary<object, object>)
                 {
                     var acn = BuildObjectInputAction(input, dataParameter, contextParameter, environmentVarsParameter, stepProperty);
                     step.Inputs.Add(new ActionParameter<IStepBody, object>(acn));
                     continue;
                 }
 
+                if (input.Value is IEnumerable<object> list)
+                {
+                    var acn = BuildListInputAction(list, dataParameter, contextParameter, environmentVarsParameter,
+                        stepProperty);
+                    step.Inputs.Add(new ActionParameter<IStepBody, object>(acn));
+                    continue;
+                }
+
                 throw new ArgumentException($"Unknown type for input {input.Key} on {source.Id}");
             }
         }
@@ -253,7 +261,7 @@ private void AttachDirectlyOutput(KeyValuePair<string, string> output, WorkflowS
 
                 Action<IStepBody, object> acn = (pStep, pData) =>
                 {
-                    object resolvedValue = sourceExpr.Compile().DynamicInvoke(pStep); ;
+                    object resolvedValue = sourceExpr.Compile().DynamicInvoke(pStep);
                     propertyInfo.SetValue(pData, resolvedValue, new object[] { output.Key });
                 };
 
@@ -306,7 +314,7 @@ private void AttachNestedOutput(KeyValuePair<string, string> output, WorkflowSte
                     {
                         var targetExpr = Expression.Lambda(memberExpression, dataParameter);
                         object data = targetExpr.Compile().DynamicInvoke(pData);
-                        object resolvedValue = sourceExpr.Compile().DynamicInvoke(pStep); ;
+                        object resolvedValue = sourceExpr.Compile().DynamicInvoke(pStep);
                         propertyInfo.SetValue(data, resolvedValue, new object[] { items[1] });
                     };
 
@@ -379,6 +387,80 @@ void acn(IStepBody pStep, object pData, IStepExecutionContext pContext)
             return acn;
         }
 
+        private static Action<IStepBody, object, IStepExecutionContext> BuildListInputAction(
+            IEnumerable<object> input,
+            ParameterExpression dataParameter,
+            ParameterExpression contextParameter,
+            ParameterExpression environmentVarsParameter,
+            PropertyInfo stepProperty)
+        {
+            void acn(IStepBody pStep, object pData, IStepExecutionContext pContext)
+            {
+                if (input == null)
+                    throw new ArgumentNullException(nameof(input));
+
+                var itemType = stepProperty.PropertyType.IsArray
+                    ? stepProperty.PropertyType.GetElementType()
+                    : stepProperty.PropertyType.GetGenericArguments().FirstOrDefault();
+
+                if (itemType == null)
+                    throw new InvalidOperationException("Unable to determine the item type for stepProperty.");
+
+                var processedItems = new List<object>();
+
+                foreach (var item in input)
+                {
+                    var obj = JObject.FromObject(item);
+                    var stack = new Stack<JObject>();
+                    stack.Push(obj);
+
+                    while (stack.Count > 0)
+                    {
+                        var current = stack.Pop();
+                        foreach (var prop in current.Properties().ToList())
+                        {
+                            if (prop.Name.StartsWith("@"))
+                            {
+                                var expr = DynamicExpressionParser.ParseLambda(
+                                    new[] { dataParameter, contextParameter, environmentVarsParameter },
+                                    typeof(object),
+                                    prop.Value.ToString());
+
+                                var resolved = expr.Compile().DynamicInvoke(pData, pContext,
+                                    Environment.GetEnvironmentVariables());
+                                current.Remove(prop.Name);
+                                current.Add(prop.Name.TrimStart('@'), JToken.FromObject(resolved));
+                            }
+                        }
+
+                        foreach (var child in current.Children<JObject>())
+                            stack.Push(child);
+                    }
+
+                    processedItems.Add(obj.ToObject(itemType));
+                }
+
+                if (stepProperty.PropertyType.IsArray)
+                {
+                    var array = Array.CreateInstance(itemType, processedItems.Count);
+                    for (var i = 0; i < processedItems.Count; i++)
+                        array.SetValue(processedItems[i], i);
+                    stepProperty.SetValue(pStep, array);
+                }
+                else
+                {
+                    var listInstance = Activator.CreateInstance(typeof(List<>).MakeGenericType(itemType));
+                    var addMethod = listInstance.GetType().GetMethod("Add");
+                    foreach (var item in processedItems)
+                        addMethod?.Invoke(listInstance, new[] { item });
+
+                    stepProperty.SetValue(pStep, listInstance);
+                }
+            }
+
+            return acn;
+        }
+
         private static Action<IStepBody, object, IStepExecutionContext> BuildObjectInputAction(KeyValuePair<string, object> input, ParameterExpression dataParameter, ParameterExpression contextParameter, ParameterExpression environmentVarsParameter, PropertyInfo stepProperty)
         {
             void acn(IStepBody pStep, object pData, IStepExecutionContext pContext)
@@ -405,7 +487,7 @@ void acn(IStepBody pStep, object pData, IStepExecutionContext pContext)
                         stack.Push(child);
                 }
 
-                stepProperty.SetValue(pStep, destObj);
+                stepProperty.SetValue(pStep, destObj.ToObject(stepProperty.PropertyType));
             }
             return acn;
         }
diff --git a/test/WorkflowCore.IntegrationTests/Scenarios/StoredJsonScenario.cs b/test/WorkflowCore.IntegrationTests/Scenarios/StoredJsonScenario.cs
index 383eb39a4..f1e35ee98 100644
--- a/test/WorkflowCore.IntegrationTests/Scenarios/StoredJsonScenario.cs
+++ b/test/WorkflowCore.IntegrationTests/Scenarios/StoredJsonScenario.cs
@@ -84,5 +84,53 @@ public void should_execute_json_workflow_with_dynamic_data()
             data["Counter6"].Should().Be(1);
             data["Counter10"].Should().Be(1);
         }
+
+
+        [Fact]
+        public void should_execute_json_workflow_with_complex_input_type()
+        {
+            var initialData = new FlowData();
+            var workflowId = StartWorkflow(TestAssets.Utils.GetTestDefinitionJsonComplexInputProperty(), initialData);
+            WaitForWorkflowToComplete(workflowId, TimeSpan.FromSeconds(30));
+            
+            var data = GetData<FlowData>(workflowId);
+            GetStatus(workflowId).Should().Be(WorkflowStatus.Complete);
+            UnhandledStepErrors.Count.Should().Be(0);
+            data.Assignee.Should().NotBeNull();
+            data.Assignee.Name.Should().Be("John Doe");
+            data.Assignee.UnitInfo.Should().NotBeNull();
+            data.Assignee.UnitInfo.Name.Should().Be("IT Department");
+            
+        }
+        
+        [Fact]
+        public void should_execute_json_workflow_with_list_of_complex_input_type()
+        {
+            var initialData = new FlowData();
+            var workflowId = StartWorkflow(TestAssets.Utils.GetTestDefinitionJsonListOfComplexInputProperty(), initialData);
+            WaitForWorkflowToComplete(workflowId, TimeSpan.FromSeconds(30));
+            
+            var data = GetData<FlowData>(workflowId);
+            GetStatus(workflowId).Should().Be(WorkflowStatus.Complete);
+            UnhandledStepErrors.Count.Should().Be(0);
+            
+            data.AssigneeList.Should().NotBeNullOrEmpty();
+            data.AssigneeList.Count.Should().Be(2);
+
+            data.Assignee.Should().NotBeNull();
+            data.Assignee.Name.Should().Be("John Doe");
+            data.Assignee.UnitInfo?.Name.Should().Be("IT Department");
+
+            data.AssigneeList[0]?.Name.Should().Be(@"Nurlan Mikayilov");
+            data.AssigneeList[0]?.UnitInfo?.Name.Should().Be("IT Department");
+
+            data.AssigneeList[1]?.Name.Should().Be(@"Jala Mammadova");
+            data.AssigneeList[1]?.UnitInfo?.Name.Should().Be("General Department");
+            
+            data.AssigneeArray[0]?.Name.Should().Be(@"Amin Nabiyev");
+            data.AssigneeArray[0]?.UnitInfo?.Name.Should().Be("IT Department");
+            
+            
+        }
     }
 }
diff --git a/test/WorkflowCore.TestAssets/DataTypes/FlowData.cs b/test/WorkflowCore.TestAssets/DataTypes/FlowData.cs
new file mode 100644
index 000000000..eaac2981b
--- /dev/null
+++ b/test/WorkflowCore.TestAssets/DataTypes/FlowData.cs
@@ -0,0 +1,13 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using WorkflowCore.TestAssets.Steps;
+
+namespace WorkflowCore.TestAssets.DataTypes;
+
+public class FlowData
+{
+    public AssigneeInfo Assignee { get; set; } = new();
+    public List<AssigneeInfo> AssigneeList { get; set; } = [];
+    public AssigneeInfo[] AssigneeArray { get; set; } = [];
+}
\ No newline at end of file
diff --git a/test/WorkflowCore.TestAssets/Steps/AssignTask.cs b/test/WorkflowCore.TestAssets/Steps/AssignTask.cs
new file mode 100644
index 000000000..eb2159494
--- /dev/null
+++ b/test/WorkflowCore.TestAssets/Steps/AssignTask.cs
@@ -0,0 +1,37 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using WorkflowCore.Interface;
+using WorkflowCore.Models;
+using WorkflowCore.TestAssets.DataTypes;
+
+namespace WorkflowCore.TestAssets.Steps;
+
+public class AssignTask : StepBody
+{       
+    public AssigneeInfo Assignee { get; set; }
+    public List<AssigneeInfo> AssigneeList { get; set; } = [];
+    
+    public AssigneeInfo[] AssigneeArray { get; set; } = [];
+
+    public override ExecutionResult Run(IStepExecutionContext context)
+    {
+        if (context.Workflow.Data is FlowData flowData)
+        {
+            if (Assignee != null)
+            {
+                flowData.Assignee = new AssigneeInfo
+                {
+                    Id = Assignee.Id,
+                    Name = Assignee.Name,
+                    MemberType = Assignee.MemberType,
+                    UnitInfo = Assignee.UnitInfo
+                };
+            }
+
+            flowData.AssigneeList.AddRange(AssigneeList);
+            flowData.AssigneeArray = AssigneeArray.ToArray();
+        }
+        return ExecutionResult.Next();
+    }
+}
\ No newline at end of file
diff --git a/test/WorkflowCore.TestAssets/Steps/AssigneeInfo.cs b/test/WorkflowCore.TestAssets/Steps/AssigneeInfo.cs
new file mode 100644
index 000000000..42901dbab
--- /dev/null
+++ b/test/WorkflowCore.TestAssets/Steps/AssigneeInfo.cs
@@ -0,0 +1,20 @@
+using System;
+using System.Linq;
+
+namespace WorkflowCore.TestAssets.Steps;
+
+public class AssigneeInfo
+{
+    public int Id { get; set; }
+    public string Name { get; set; }
+    public int MemberType { get; set; }
+
+    public UnitInfo UnitInfo { get; set; }
+}
+
+public class UnitInfo
+{
+    public int Id { get; set; }
+    public string Name { get; set; }
+    public int UnitType { get; set; }
+}
\ No newline at end of file
diff --git a/test/WorkflowCore.TestAssets/Utils.cs b/test/WorkflowCore.TestAssets/Utils.cs
index b7a7919cd..adf6df2c9 100644
--- a/test/WorkflowCore.TestAssets/Utils.cs
+++ b/test/WorkflowCore.TestAssets/Utils.cs
@@ -39,6 +39,17 @@ public static string GetTestDefinitionJsonMissingInputProperty()
         {
             return File.ReadAllText("stored-def-missing-input-property.json");
         }
+        
+        
+        public static string GetTestDefinitionJsonComplexInputProperty()
+        {
+            return File.ReadAllText("def-complex-input-property.json");
+        }
+        
+        public static string GetTestDefinitionJsonListOfComplexInputProperty()
+        {
+            return File.ReadAllText("def-list-of-complex-input-property.json");
+        }
     }
 }
 
diff --git a/test/WorkflowCore.TestAssets/WorkflowCore.TestAssets.csproj b/test/WorkflowCore.TestAssets/WorkflowCore.TestAssets.csproj
index cbba0dccb..4c7a862a8 100644
--- a/test/WorkflowCore.TestAssets/WorkflowCore.TestAssets.csproj
+++ b/test/WorkflowCore.TestAssets/WorkflowCore.TestAssets.csproj
@@ -13,9 +13,13 @@
     <None Remove="stored-definition.yaml" />
     <None Remove="stored-dynamic-definition.json" />
     <None Remove="stored-dynamic-definition.yaml" />
+    <None Remove="def-complex-input-property.json" />
   </ItemGroup>
 
   <ItemGroup>
+    <EmbeddedResource Include="def-list-of-complex-input-property.json">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </EmbeddedResource>
     <EmbeddedResource Include="stored-dynamic-definition.yaml">
       <CopyToOutputDirectory>Always</CopyToOutputDirectory>
     </EmbeddedResource>
@@ -31,6 +35,9 @@
     <EmbeddedResource Include="stored-def-missing-input-property.json">
       <CopyToOutputDirectory>Always</CopyToOutputDirectory>
     </EmbeddedResource>
+    <EmbeddedResource Include="def-complex-input-property.json">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </EmbeddedResource>
   </ItemGroup>
 
   <ItemGroup>
diff --git a/test/WorkflowCore.TestAssets/def-complex-input-property.json b/test/WorkflowCore.TestAssets/def-complex-input-property.json
new file mode 100644
index 000000000..8849f0b27
--- /dev/null
+++ b/test/WorkflowCore.TestAssets/def-complex-input-property.json
@@ -0,0 +1,23 @@
+{
+  "Id": "FlowWithComplexInputType",
+  "Version": 1,
+  "DataType": "WorkflowCore.TestAssets.DataTypes.FlowData, WorkflowCore.TestAssets",
+  "Steps": [
+    {
+      "Id": "AssignTask",
+      "StepType": "WorkflowCore.TestAssets.Steps.AssignTask, WorkflowCore.TestAssets",
+      "Inputs": {
+        "Assignee": {
+          "id": 1,
+          "name": "John Doe",
+          "memberType": 1,
+          "unitInfo": {
+            "id": 1,
+            "name": "IT Department",
+            "unitType": 1
+          }
+        }
+      }      
+    }
+  ]
+}
\ No newline at end of file
diff --git a/test/WorkflowCore.TestAssets/def-list-of-complex-input-property.json b/test/WorkflowCore.TestAssets/def-list-of-complex-input-property.json
new file mode 100644
index 000000000..f4508fba7
--- /dev/null
+++ b/test/WorkflowCore.TestAssets/def-list-of-complex-input-property.json
@@ -0,0 +1,57 @@
+{
+  "Id": "FlowWithListOfComplexInputType",
+  "Version": 1,
+  "DataType": "WorkflowCore.TestAssets.DataTypes.FlowData, WorkflowCore.TestAssets",
+  "Steps": [
+    {
+      "Id": "AssignTask",
+      "StepType": "WorkflowCore.TestAssets.Steps.AssignTask, WorkflowCore.TestAssets",
+      "Inputs": {
+        "AssigneeList": [
+          {
+            "id": 1,
+            "name": "Nurlan Mikayilov",
+            "memberType": 1,
+            "unitInfo": {
+              "id": 2,
+              "name": "IT Department",
+              "unitType": 1
+            }
+          },
+          {
+            "id": 2,
+            "name": "Jala Mammadova",
+            "memberType": 2,
+            "unitInfo": {
+              "id": 1,
+              "name": "General Department",
+              "unitType": 1
+            }
+          }
+        ],
+        "AssigneeArray": [
+          {
+            "id": 3,
+            "name": "Amin Nabiyev",
+            "memberType": 1,
+            "unitInfo": {
+              "id": 2,
+              "name": "IT Department",
+              "unitType": 1
+            }
+          }
+        ],
+        "Assignee": {
+          "id": 1,
+          "name": "John Doe",
+          "memberType": 1,
+          "unitInfo": {
+            "id": 1,
+            "name": "IT Department",
+            "unitType": 1
+          }
+        }
+      }
+    }
+  ]
+}
\ No newline at end of file