diff --git a/src/modules/Elsa.Workflows.Core/Contexts/ActivityExecutionContext.Complete.cs b/src/modules/Elsa.Workflows.Core/Contexts/ActivityExecutionContext.Complete.cs
index f3963ed91..28aa711ae 100644
--- a/src/modules/Elsa.Workflows.Core/Contexts/ActivityExecutionContext.Complete.cs
+++ b/src/modules/Elsa.Workflows.Core/Contexts/ActivityExecutionContext.Complete.cs
@@ -1,4 +1,3 @@
-using System.Diagnostics.CodeAnalysis;
 using Elsa.Extensions;
 using Elsa.Workflows.Activities.Flowchart.Models;
 using Elsa.Workflows.Contracts;
@@ -11,7 +10,6 @@ public partial class ActivityExecutionContext
     /// <summary>
     /// Complete the current activity. This should only be called by activities that explicitly suppress automatic-completion.
     /// </summary>
-    [RequiresUnreferencedCode("The activity may be serialized and executed in a different context.")]
     public async ValueTask CompleteActivityAsync(object? result = default)
     {
         var outcomes = result as Outcomes;
@@ -93,7 +91,6 @@ public partial class ActivityExecutionContext
     /// <summary>
     /// Complete the current activity with the specified outcomes.
     /// </summary>
-    [RequiresUnreferencedCode("The activity may be serialized and executed in a different context.")]
     public ValueTask CompleteActivityWithOutcomesAsync(params string[] outcomes)
     {
         return CompleteActivityAsync(new Outcomes(outcomes));
diff --git a/src/modules/Elsa.Workflows.Core/Contexts/ActivityExecutionContext.cs b/src/modules/Elsa.Workflows.Core/Contexts/ActivityExecutionContext.cs
index 2be9c0b3d..d33473646 100644
--- a/src/modules/Elsa.Workflows.Core/Contexts/ActivityExecutionContext.cs
+++ b/src/modules/Elsa.Workflows.Core/Contexts/ActivityExecutionContext.cs
@@ -10,12 +10,14 @@ using Elsa.Workflows.Memory;
 using Elsa.Workflows.Models;
 using Elsa.Workflows.Options;
 using Elsa.Workflows.Services;
+using JetBrains.Annotations;
 
 namespace Elsa.Workflows;
 
 /// <summary>
 /// Represents the context of an activity execution.
 /// </summary>
+[PublicAPI]
 public partial class ActivityExecutionContext : IExecutionContext
 {
     private readonly ISystemClock _systemClock;
diff --git a/src/modules/Elsa.Workflows.Core/Extensions/DictionaryExtensions.cs b/src/modules/Elsa.Workflows.Core/Extensions/DictionaryExtensions.cs
index 3698b239c..c95267384 100644
--- a/src/modules/Elsa.Workflows.Core/Extensions/DictionaryExtensions.cs
+++ b/src/modules/Elsa.Workflows.Core/Extensions/DictionaryExtensions.cs
@@ -65,6 +65,16 @@ public static class DictionaryExtensions
         dictionary.Add(key, value);
         return dictionary;
     }
+    
+    /// <summary>
+    /// Merges the specified dictionary with the other dictionary.
+    /// When a key exists in both dictionaries, the value in the other dictionary will overwrite the value in the specified dictionary.
+    /// </summary>
+    public static void Merge(this IDictionary<string, object> dictionary, IDictionary<string, object> other)
+    {
+        foreach (var (key, value) in other)
+            dictionary[key] = value;
+    }
 
     private static T? ConvertValue<T>(object? value) => value.ConvertTo<T>();
 }
\ No newline at end of file
diff --git a/src/modules/Elsa.Workflows.Runtime/Activities/BulkDispatchWorkflows.cs b/src/modules/Elsa.Workflows.Runtime/Activities/BulkDispatchWorkflows.cs
index eade3320c..569f53647 100644
--- a/src/modules/Elsa.Workflows.Runtime/Activities/BulkDispatchWorkflows.cs
+++ b/src/modules/Elsa.Workflows.Runtime/Activities/BulkDispatchWorkflows.cs
@@ -55,19 +55,25 @@ public class BulkDispatchWorkflows : Activity
     [Input(Description = "The data source to use for dispatching the workflows.")]
     public Input<object> Items { get; set; } = default!;
 
+    /// <summary>
+    /// The default key to use for the item input. Will not be used if the Items contain a list of dictionaries.
+    /// </summary>
+    [Input(Description = "The default key to use for the input name when sending the current item to the dispatched workflow. Will not be used if the Items field contain a list of dictionaries", DefaultValue = "Item")]
+    public Input<string> DefaultItemInputKey { get; set; } = new("Item");
+
     /// <summary>
     /// The correlation ID to associate the workflow with. 
     /// </summary>
     [Input(
         DisplayName = "Correlation ID Function",
-        Description = "A function to compute the correlation ID to associate a dispatched workflow with. Receives the current item as an argument called Item.",
+        Description = "A function to compute the correlation ID to associate a dispatched workflow with.",
         AutoEvaluate = false)]
     public Input<string?>? CorrelationIdFunction { get; set; }
 
     /// <summary>
     /// The input to send to the workflows.
     /// </summary>
-    [Input(Description = """Additional input to send to the workflows being dispatched. The "Item" key is reserved and should not be used.""")]
+    [Input(Description = "Additional input to send to the workflows being dispatched.")]
     public Input<IDictionary<string, object>?> Input { get; set; } = default!;
 
     /// <summary>
@@ -102,7 +108,6 @@ public class BulkDispatchWorkflows : Activity
     public IActivity? ChildFaulted { get; set; }
 
     /// <inheritdoc />
-    [RequiresUnreferencedCode("Calls Elsa.Expressions.Helpers.ObjectConverter.ConvertTo<T>(ObjectConverterOptions)")]
     protected override async ValueTask ExecuteAsync(ActivityExecutionContext context)
     {
         var waitForCompletion = WaitForCompletion.GetOrDefault(context);
@@ -162,20 +167,24 @@ public class BulkDispatchWorkflows : Activity
         var parentInstanceId = context.WorkflowExecutionContext.Id;
         var input = Input.GetOrDefault(context) ?? new Dictionary<string, object>();
         var channelName = ChannelName.GetOrDefault(context);
+        var defaultInputItemKey = DefaultItemInputKey.GetOrDefault(context, () => "Item")!;
         var properties = new Dictionary<string, object>
         {
             ["ParentInstanceId"] = parentInstanceId
         };
+
+        var itemAsInputDictionary = item as IDictionary<string, object> ?? new Dictionary<string, object>
+        {
+            [defaultInputItemKey] = item
+        };
+
         var evaluatorOptions = new ExpressionEvaluatorOptions
         {
-            Arguments = new Dictionary<string, object>
-            {
-                ["Item"] = item
-            }
+            Arguments = itemAsInputDictionary
         };
 
         input["ParentInstanceId"] = parentInstanceId;
-        input["Item"] = item;
+        input.Merge(itemAsInputDictionary);
 
         var workflowDispatcher = context.GetRequiredService<IWorkflowDispatcher>();
         var identityGenerator = context.GetRequiredService<IIdentityGenerator>();
@@ -198,7 +207,7 @@ public class BulkDispatchWorkflows : Activity
         };
 
         var dispatchResponse = await workflowDispatcher.DispatchAsync(request, options, context.CancellationToken);
-        
+
         if (!dispatchResponse.Succeeded)
             throw new FaultException(dispatchResponse.ErrorMessage);