diff --git a/src/modules/Elsa.Workflows.Core/Builders/WorkflowBuilder.cs b/src/modules/Elsa.Workflows.Core/Builders/WorkflowBuilder.cs
index 7975f3bf9..1be3bf461 100644
--- a/src/modules/Elsa.Workflows.Core/Builders/WorkflowBuilder.cs
+++ b/src/modules/Elsa.Workflows.Core/Builders/WorkflowBuilder.cs
@@ -112,7 +112,60 @@ public class WorkflowBuilder : IWorkflowBuilder
     /// <inheritdoc />
     public IWorkflowBuilder WithVariables(params Variable[] variables)
     {
-        foreach (var variable in variables) Variables.Add(variable);
+        foreach (var variable in variables)
+            Variables.Add(variable);
+        return this;
+    }
+
+    /// <inheritdoc />
+    public InputDefinition WithInput<T>(string name, string? description = default)
+    {
+        return WithInput(inputDefinition =>
+        {
+            inputDefinition.Name = name;
+
+            if (description != null)
+                inputDefinition.Description = description;
+        });
+    }
+
+    /// <inheritdoc />
+    public InputDefinition WithInput(string name, Type type, string? description = default)
+    {
+        return WithInput(inputDefinition =>
+        {
+            inputDefinition.Name = name;
+            inputDefinition.Type = type;
+
+            if (description != null)
+                inputDefinition.Description = description;
+        });
+    }
+
+    /// <inheritdoc />
+    public InputDefinition WithInput(string name, Type type, Action<InputDefinition>? setup = default)
+    {
+        return WithInput(inputDefinition =>
+        {
+            inputDefinition.Name = name;
+            inputDefinition.Type = type;
+            setup?.Invoke(inputDefinition);
+        });
+    }
+
+    /// <inheritdoc />
+    public InputDefinition WithInput(Action<InputDefinition> setup)
+    {
+        var inputDefinition = new InputDefinition();
+        setup(inputDefinition);
+        Inputs.Add(inputDefinition);
+        return inputDefinition;
+    }
+
+    /// <inheritdoc />
+    public IWorkflowBuilder WithInput(InputDefinition inputDefinition)
+    {
+        Inputs.Add(inputDefinition);
         return this;
     }
 
diff --git a/src/modules/Elsa.Workflows.Core/Contracts/IWorkflowBuilder.cs b/src/modules/Elsa.Workflows.Core/Contracts/IWorkflowBuilder.cs
index 30034e78f..ac8ac58ec 100644
--- a/src/modules/Elsa.Workflows.Core/Contracts/IWorkflowBuilder.cs
+++ b/src/modules/Elsa.Workflows.Core/Contracts/IWorkflowBuilder.cs
@@ -109,6 +109,31 @@ public interface IWorkflowBuilder
     /// A fluent method for adding a variable to <see cref="Variables"/>.
     /// </summary>
     IWorkflowBuilder WithVariables(params Variable[] variables);
+    
+    /// <summary>
+    /// A fluent method for adding an input to <see cref="Inputs"/>.
+    /// </summary>
+    InputDefinition WithInput<T>(string name, string? description = default);
+    
+    /// <summary>
+    /// A fluent method for adding an input to <see cref="Inputs"/>.
+    /// </summary>
+    InputDefinition WithInput(string name, Type type, string? description = default);
+    
+    /// <summary>
+    /// A fluent method for adding an input to <see cref="Inputs"/>.
+    /// </summary>
+    InputDefinition WithInput(string name, Type type, Action<InputDefinition>? setup = default);
+    
+    /// <summary>
+    /// A fluent method for adding an input to <see cref="Inputs"/>.
+    /// </summary>
+    InputDefinition WithInput(Action<InputDefinition> setup);
+    
+    /// <summary>
+    /// A fluent method for adding an input to <see cref="Inputs"/>.
+    /// </summary>
+    IWorkflowBuilder WithInput(InputDefinition inputDefinition);
 
     /// <summary>
     /// A fluent method for adding a property to <see cref="CustomProperties"/>.
diff --git a/src/modules/Elsa.Workflows.Core/Extensions/ExpressionExecutionContextExtensions.cs b/src/modules/Elsa.Workflows.Core/Extensions/ExpressionExecutionContextExtensions.cs
index 385d5477a..ca56cc449 100644
--- a/src/modules/Elsa.Workflows.Core/Extensions/ExpressionExecutionContextExtensions.cs
+++ b/src/modules/Elsa.Workflows.Core/Extensions/ExpressionExecutionContextExtensions.cs
@@ -338,6 +338,18 @@ public static class ExpressionExecutionContextExtensions
         }
     }
 
+    /// <summary>
+    /// Returns the input value associated with the specified <see cref="InputDefinition"/> in the given <see cref="ExpressionExecutionContext"/>.
+    /// </summary>
+    /// <typeparam name="T">The type of the input value.</typeparam>
+    /// <param name="context">The <see cref="ExpressionExecutionContext"/> containing the input.</param>
+    /// <param name="inputDefinition">The <see cref="InputDefinition"/> specifying the input to retrieve.</param>
+    /// <returns>The input value associated with the specified <see cref="InputDefinition"/> in the <see cref="ExpressionExecutionContext"/>.</returns>
+    public static T? GetInput<T>(this ExpressionExecutionContext context, InputDefinition inputDefinition)
+    {
+        return context.GetInput<T>(inputDefinition.Name);
+    }
+
     /// <summary>
     /// Returns the value of the specified input.
     /// </summary>