diff --git a/src/core/Elsa.Core/Builders/WorkflowDefinitionBuilder.cs b/src/core/Elsa.Core/Builders/WorkflowDefinitionBuilder.cs
index 68f63d986..857b22bfc 100644
--- a/src/core/Elsa.Core/Builders/WorkflowDefinitionBuilder.cs
+++ b/src/core/Elsa.Core/Builders/WorkflowDefinitionBuilder.cs
@@ -72,4 +72,11 @@ public class WorkflowDefinitionBuilder : IWorkflowDefinitionBuilder
         var metadata = new WorkflowMetadata();
         return new Workflow(identity, publication, metadata, root, Variables, Metadata, ApplicationProperties);
     }
+
+    public Workflow BuildWorkflow(IWorkflow workflowDefinition)
+    {
+        WithDefinitionId(workflowDefinition.GetType().Name);
+        workflowDefinition.Build(this);
+        return BuildWorkflow();
+    }
 }
\ No newline at end of file
diff --git a/src/runtime/Elsa.Runtime/Contracts/IWorkflow.cs b/src/core/Elsa.Core/Contracts/IWorkflow.cs
similarity index 59%
rename from src/runtime/Elsa.Runtime/Contracts/IWorkflow.cs
rename to src/core/Elsa.Core/Contracts/IWorkflow.cs
index 3f20e9c16..a361b6813 100644
--- a/src/runtime/Elsa.Runtime/Contracts/IWorkflow.cs
+++ b/src/core/Elsa.Core/Contracts/IWorkflow.cs
@@ -1,6 +1,4 @@
-using Elsa.Contracts;
-
-namespace Elsa.Runtime.Contracts;
+namespace Elsa.Contracts;
 
 public interface IWorkflow
 {
diff --git a/src/core/Elsa.Core/Elsa.Core.csproj b/src/core/Elsa.Core/Elsa.Core.csproj
index ab2dce856..00dccc304 100644
--- a/src/core/Elsa.Core/Elsa.Core.csproj
+++ b/src/core/Elsa.Core/Elsa.Core.csproj
@@ -9,11 +9,11 @@
     </PropertyGroup>
 
     <ItemGroup>
-        <PackageReference Include="Dahomey.Json" Version="1.12.2"/>
-        <PackageReference Include="Microsoft.Extensions.Logging.Abstractions" Version="6.0.1"/>
-        <PackageReference Include="Microsoft.Extensions.Options" Version="6.0.0"/>
-        <PackageReference Include="System.ComponentModel.Annotations" Version="6.0.0-preview.4.21253.7"/>
-        <PackageReference Include="System.Text.Json" Version="6.0.2"/>
+        <PackageReference Include="Dahomey.Json" Version="1.12.2" />
+        <PackageReference Include="Microsoft.Extensions.Logging.Abstractions" Version="6.0.1" />
+        <PackageReference Include="Microsoft.Extensions.Options" Version="6.0.0" />
+        <PackageReference Include="System.ComponentModel.Annotations" Version="6.0.0-preview.4.21253.7" />
+        <PackageReference Include="System.Text.Json" Version="6.0.2" />
     </ItemGroup>
 
     <!--    <ItemGroup>-->
diff --git a/src/runtime/Elsa.Runtime/Extensions/WorkflowDictionaryExtensions.cs b/src/runtime/Elsa.Runtime/Extensions/WorkflowDictionaryExtensions.cs
index 6ee19c492..eb1241362 100644
--- a/src/runtime/Elsa.Runtime/Extensions/WorkflowDictionaryExtensions.cs
+++ b/src/runtime/Elsa.Runtime/Extensions/WorkflowDictionaryExtensions.cs
@@ -1,3 +1,4 @@
+using Elsa.Contracts;
 using Elsa.Runtime.Contracts;
 using Microsoft.Extensions.DependencyInjection;
 
diff --git a/src/runtime/Elsa.Runtime/Options/WorkflowRuntimeOptions.cs b/src/runtime/Elsa.Runtime/Options/WorkflowRuntimeOptions.cs
index 115c309d7..682b6e756 100644
--- a/src/runtime/Elsa.Runtime/Options/WorkflowRuntimeOptions.cs
+++ b/src/runtime/Elsa.Runtime/Options/WorkflowRuntimeOptions.cs
@@ -1,3 +1,4 @@
+using Elsa.Contracts;
 using Elsa.Runtime.Contracts;
 using Elsa.Runtime.Services;
 using Microsoft.Extensions.DependencyInjection;
diff --git a/test/Elsa.IntegrationTests/Workflows/ForEachWorkflowTests.cs b/test/Elsa.IntegrationTests/Workflows/ForEachWorkflowTests.cs
new file mode 100644
index 000000000..2bfa59b6b
--- /dev/null
+++ b/test/Elsa.IntegrationTests/Workflows/ForEachWorkflowTests.cs
@@ -0,0 +1,60 @@
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+using Elsa.Activities;
+using Elsa.Builders;
+using Elsa.Contracts;
+using Elsa.Models;
+using Elsa.Modules.Activities.Activities.Console;
+using Elsa.Testing.Shared;
+using Microsoft.Extensions.DependencyInjection;
+using Xunit;
+using Xunit.Abstractions;
+
+namespace Elsa.IntegrationTests.Workflows;
+
+public class ForEachWorkflowTests
+{
+    private readonly IWorkflowRunner _workflowRunner;
+    private readonly CapturingTextWriter _capturingTextWriter = new();
+    private readonly Workflow _workflow;
+
+    public ForEachWorkflowTests(ITestOutputHelper testOutputHelper)
+    {
+        var services = new TestContainerBuilder(testOutputHelper).WithCapturingTextWriter(_capturingTextWriter).Build();
+        _workflowRunner = services.GetRequiredService<IWorkflowRunner>();
+        _workflow = new WorkflowDefinitionBuilder().BuildWorkflow(new ForEachWorkflow());
+    }
+
+    [Fact(DisplayName = "ForEach outputs each iteration")]
+    public async Task Test1()
+    {
+        await _workflowRunner.RunAsync(_workflow);
+        var lines = _capturingTextWriter.Lines.ToList();
+        Assert.Equal("C#", lines[0]);
+        Assert.Equal("Rust", lines[1]);
+        Assert.Equal("Go", lines[2]);
+    }
+
+    private class ForEachWorkflow : IWorkflow
+    {
+        public void Build(IWorkflowDefinitionBuilder workflow)
+        {
+            var items = new[] { "C#", "Rust", "Go" };
+            var currentItem = new Variable<string>();
+
+            workflow.WithRoot(new Sequence
+            {
+                Activities =
+                {
+                    new ForEach<string>
+                    {
+                        Items = new Input<ICollection<string>>(items),
+                        CurrentValue = currentItem,
+                        Body = new WriteLine(context => currentItem.Get(context))
+                    },
+                }
+            });
+        }
+    }
+}
\ No newline at end of file
diff --git a/test/Elsa.IntegrationTests/Workflows/HelloWorldWorkflowTests.cs b/test/Elsa.IntegrationTests/Workflows/HelloWorldWorkflowTests.cs
index 3c1b13302..def5e5741 100644
--- a/test/Elsa.IntegrationTests/Workflows/HelloWorldWorkflowTests.cs
+++ b/test/Elsa.IntegrationTests/Workflows/HelloWorldWorkflowTests.cs
@@ -3,8 +3,6 @@ using System.Threading.Tasks;
 using Elsa.Contracts;
 using Elsa.Models;
 using Elsa.Modules.Activities.Activities.Console;
-using Elsa.Modules.Activities.Contracts;
-using Elsa.Modules.Activities.Providers;
 using Elsa.Testing.Shared;
 using Microsoft.Extensions.DependencyInjection;
 using Xunit;
@@ -19,11 +17,10 @@ public class HelloWorldWorkflowTests
 
     public HelloWorldWorkflowTests(ITestOutputHelper testOutputHelper)
     {
-        var combinedTextWriter = new CombinedTextWriter(_capturingTextWriter, new XunitConsoleTextWriter(testOutputHelper));
-        var services = TestContainerBuilder.Build(testOutputHelper, x => x.AddSingleton<IStandardOutStreamProvider>(new StandardOutStreamProvider(combinedTextWriter)));
+        var services = new TestContainerBuilder(testOutputHelper).WithCapturingTextWriter(_capturingTextWriter).Build();
         _workflowRunner = services.GetRequiredService<IWorkflowRunner>();
     }
-    
+
     [Fact(DisplayName = "Run a simple workflow")]
     public async Task Test1()
     {
diff --git a/test/Elsa.Testing.Shared/TestContainerBuilder.cs b/test/Elsa.Testing.Shared/TestContainerBuilder.cs
index dc1263f44..c05ed1e2b 100644
--- a/test/Elsa.Testing.Shared/TestContainerBuilder.cs
+++ b/test/Elsa.Testing.Shared/TestContainerBuilder.cs
@@ -11,20 +11,34 @@ namespace Elsa.Testing.Shared;
 
 public class TestContainerBuilder
 {
-    public static IServiceProvider Build(ITestOutputHelper testOutputHelper, Action<IServiceCollection>? configureServices = default)
-    {
-        var services = new ServiceCollection();
+    private readonly ITestOutputHelper _testOutputHelper;
+    private readonly ServiceCollection _services;
 
-        services
+    public TestContainerBuilder(ITestOutputHelper testOutputHelper)
+    {
+        _testOutputHelper = testOutputHelper;
+        _services = new ServiceCollection();
+
+        _services
             .AddElsa()
             .AddInMemoryPersistence()
+            .AddSingleton(testOutputHelper)
+            .AddSingleton<IStandardOutStreamProvider>(new StandardOutStreamProvider(new XunitConsoleTextWriter(testOutputHelper)))
             .AddLogging(logging => logging.AddProvider(new XunitLoggerProvider(testOutputHelper)).SetMinimumLevel(LogLevel.Debug));
+    }
 
-        services.AddSingleton(testOutputHelper);
-        services.AddSingleton<IStandardOutStreamProvider>(new StandardOutStreamProvider(new XunitConsoleTextWriter(testOutputHelper)));
-        
-        configureServices?.Invoke(services);
+    public IServiceProvider Build() => _services.BuildServiceProvider();
 
-        return services.BuildServiceProvider();
+    public TestContainerBuilder Configure(Action<IServiceCollection> configure)
+    {
+        configure(_services);
+        return this;
+    }
+
+    public TestContainerBuilder WithCapturingTextWriter(CapturingTextWriter capturingTextWriter)
+    {
+        var combinedTextWriter = new CombinedTextWriter(capturingTextWriter, new XunitConsoleTextWriter(_testOutputHelper));
+        _services.AddSingleton<IStandardOutStreamProvider>(new StandardOutStreamProvider(combinedTextWriter));
+        return this;
     }
 }
\ No newline at end of file