diff --git a/botoflow/decisions/decisions.py b/botoflow/decisions/decisions.py
index b65c5d2..eec0162 100644
--- a/botoflow/decisions/decisions.py
+++ b/botoflow/decisions/decisions.py
@@ -139,6 +139,22 @@ def __init__(self, activity_id):
         attrs['activityId'] = activity_id
 
 
+class ScheduleLambdaFunction(ActivityDecisionBase):
+    def __init__(self, activity_id, lambda_name, control=None,
+                 start_to_close_timeout=None, input=None):
+        super(ScheduleLambdaFunction, self).__init__(activity_id)
+        self.decision['decisionType'] = 'ScheduleLambdaFunction'
+        attrs = self.decision['scheduleLambdaFunctionDecisionAttributes'] = {}
+        attrs['id'] = activity_id
+        attrs['name'] = lambda_name
+        if control is not None:
+            attrs['control'] = control
+        if start_to_close_timeout is not None:
+            attrs['startToCloseTimeout'] = start_to_close_timeout
+        if input is not None:
+            attrs['input'] = input
+
+
 class RequestCancelExternalWorkflowExecution(RequestCancelExternalWorkflowDecisionBase):
     def __init__(self, workflow_id, run_id, control=None):
         """
diff --git a/botoflow/history_events/events.py b/botoflow/history_events/events.py
index 4ba6879..29e25e5 100644
--- a/botoflow/history_events/events.py
+++ b/botoflow/history_events/events.py
@@ -70,6 +70,26 @@ class ActivityTaskTimedOut(ActivityEventBase):
     attribute_key = 'activityTaskTimedOutEventAttributes'
 
 
+class LambdaFunctionScheduled(ActivityEventBase, DecisionEventBase):
+    attribute_key = 'lambdaFunctionScheduledEventAttributes'
+
+
+class StartLambdaFunctionFailed(ActivityEventBase, DecisionEventBase):
+    attribute_key = 'startLambdaFunctionFailedEventAttributes'
+
+
+class LambdaFunctionStarted(ActivityEventBase, DecisionEventBase):
+    attribute_key = 'lambdaFunctionStartedEventAttributes'
+
+
+class LambdaFunctionFailed(ActivityEventBase, DecisionEventBase):
+    attribute_key = 'lambdaFunctionFailedEventAttributes'
+
+
+class LambdaFunctionCompleted(ActivityEventBase, DecisionEventBase):
+    attribute_key = 'lambdaFunctionCompletedEventAttributes'
+
+
 class CancelWorkflowExecutionFailed(WorkflowEventBase, DecisionEventBase):
     attribute_key = 'cancelWorkflowExecutionFailedEventAttributes'