diff --git a/agents-api/agents_api/autogen/Tasks.py b/agents-api/agents_api/autogen/Tasks.py
index c7067ea0c..77dcfefd6 100644
--- a/agents-api/agents_api/autogen/Tasks.py
+++ b/agents-api/agents_api/autogen/Tasks.py
@@ -191,7 +191,8 @@ class ForeachDo(BaseModel):
     VALIDATION: Should NOT return more than 1000 elements.
     """
     do: (
-        EvaluateStep
+        WaitForInputStep
+        | EvaluateStep
         | ToolCallStep
         | PromptStep
         | GetStep
@@ -214,7 +215,8 @@ class ForeachDoUpdateItem(BaseModel):
     VALIDATION: Should NOT return more than 1000 elements.
     """
     do: (
-        EvaluateStep
+        WaitForInputStep
+        | EvaluateStep
         | ToolCallStep
         | PromptStepUpdateItem
         | GetStep
diff --git a/typespec/tasks/steps.tsp b/typespec/tasks/steps.tsp
index 1d8c19209..4b14ef6ae 100644
--- a/typespec/tasks/steps.tsp
+++ b/typespec/tasks/steps.tsp
@@ -41,6 +41,10 @@ model BaseWorkflowStep<T extends WorkflowStepKind> {
     kind_: T;
 }
 
+alias SequentialWorkflowStep =
+    | WaitForInputStep
+    | MappableWorkflowStep;
+
 alias MappableWorkflowStep =
     | EvaluateStep
     | ToolCallStep
@@ -208,7 +212,7 @@ model ForeachDo {
     in: TypedExpression<Array<unknown>>;
 
     /** The steps to run for each iteration */
-    do: MappableWorkflowStep;
+    do: SequentialWorkflowStep;
 }
 
 model ForeachStep extends BaseWorkflowStep<"foreach"> {
diff --git a/typespec/tsp-output/@typespec/openapi3/openapi-0.4.0.yaml b/typespec/tsp-output/@typespec/openapi3/openapi-0.4.0.yaml
index d00a5b9d2..61d89edaa 100644
--- a/typespec/tsp-output/@typespec/openapi3/openapi-0.4.0.yaml
+++ b/typespec/tsp-output/@typespec/openapi3/openapi-0.4.0.yaml
@@ -4167,6 +4167,7 @@ components:
             VALIDATION: Should NOT return more than 1000 elements.
         do:
           anyOf:
+            - $ref: '#/components/schemas/Tasks.WaitForInputStep'
             - $ref: '#/components/schemas/Tasks.EvaluateStep'
             - $ref: '#/components/schemas/Tasks.ToolCallStep'
             - $ref: '#/components/schemas/Tasks.PromptStep'
@@ -4189,6 +4190,7 @@ components:
             VALIDATION: Should NOT return more than 1000 elements.
         do:
           anyOf:
+            - $ref: '#/components/schemas/Tasks.WaitForInputStep'
             - $ref: '#/components/schemas/Tasks.EvaluateStep'
             - $ref: '#/components/schemas/Tasks.ToolCallStep'
             - $ref: '#/components/schemas/Tasks.PromptStepUpdateItem'
diff --git a/typespec/tsp-output/@typespec/openapi3/openapi-1.0.0.yaml b/typespec/tsp-output/@typespec/openapi3/openapi-1.0.0.yaml
index b3f3919a9..36fbc0147 100644
--- a/typespec/tsp-output/@typespec/openapi3/openapi-1.0.0.yaml
+++ b/typespec/tsp-output/@typespec/openapi3/openapi-1.0.0.yaml
@@ -4167,6 +4167,7 @@ components:
             VALIDATION: Should NOT return more than 1000 elements.
         do:
           anyOf:
+            - $ref: '#/components/schemas/Tasks.WaitForInputStep'
             - $ref: '#/components/schemas/Tasks.EvaluateStep'
             - $ref: '#/components/schemas/Tasks.ToolCallStep'
             - $ref: '#/components/schemas/Tasks.PromptStep'
@@ -4189,6 +4190,7 @@ components:
             VALIDATION: Should NOT return more than 1000 elements.
         do:
           anyOf:
+            - $ref: '#/components/schemas/Tasks.WaitForInputStep'
             - $ref: '#/components/schemas/Tasks.EvaluateStep'
             - $ref: '#/components/schemas/Tasks.ToolCallStep'
             - $ref: '#/components/schemas/Tasks.PromptStepUpdateItem'