diff --git a/SpiffWorkflow/spiff/parser/task_spec.py b/SpiffWorkflow/spiff/parser/task_spec.py
index d023a5353..6cc2ad750 100644
--- a/SpiffWorkflow/spiff/parser/task_spec.py
+++ b/SpiffWorkflow/spiff/parser/task_spec.py
@@ -41,12 +41,16 @@ def _parse_servicetask_operator(self, node):
         extra_ns = {'spiffworkflow': SPIFFWORKFLOW_MODEL_NS}
         xpath = xpath_eval(node, extra_ns)
         parameter_nodes = xpath('.//spiffworkflow:parameter')
+        operator = {'name': name}
         parameters = {}
         for param_node in parameter_nodes:
-            # TODO not handling type currently and check if required
             if 'value' in param_node.attrib:
-                parameters[param_node.attrib['id']] = param_node.attrib['value']
-        return (name, parameters)
+                parameters[param_node.attrib['id']] = {
+                    'value': param_node.attrib['value'],
+                    'type': param_node.attrib['type']
+                }
+        operator['parameters'] = parameters
+        return operator
 
     def create_task(self):
         # The main task parser already calls this, and even sets an attribute, but
@@ -96,9 +100,10 @@ def create_task(self):
 class ServiceTaskParser(SpiffTaskParser):
     def create_task(self):
         extensions = self.parse_extensions()
-        (name, params) = extensions.get('serviceTaskOperator')
+        operator = extensions.get('serviceTaskOperator')
         return self.spec_class(
-                self.spec, self.get_task_spec_name(), name, params,
+                self.spec, self.get_task_spec_name(),
+                operator['name'], operator['parameters'],
                 lane=self.lane, position=self.position)
 
 class BusinessRuleTaskParser(SpiffTaskParser):
diff --git a/tests/SpiffWorkflow/spiff/BaseTestCase.py b/tests/SpiffWorkflow/spiff/BaseTestCase.py
index 5a6876ec5..92c23eb17 100644
--- a/tests/SpiffWorkflow/spiff/BaseTestCase.py
+++ b/tests/SpiffWorkflow/spiff/BaseTestCase.py
@@ -2,10 +2,14 @@
 import os
 
 from SpiffWorkflow.spiff.parser import SpiffBpmnParser
-from SpiffWorkflow.spiff.serializer import NoneTaskConverter, ManualTaskConverter, UserTaskConverter, \
-        SubWorkflowTaskConverter, TransactionSubprocessConverter, CallActivityTaskConverter, \
-        StartEventConverter, EndEventConverter, BoundaryEventConverter, SendTaskConverter, ReceiveTaskConverter, \
-        IntermediateCatchEventConverter, IntermediateThrowEventConverter
+from SpiffWorkflow.spiff.serializer import NoneTaskConverter, \
+    ManualTaskConverter, UserTaskConverter, \
+    SubWorkflowTaskConverter, TransactionSubprocessConverter, \
+    CallActivityTaskConverter, \
+    StartEventConverter, EndEventConverter, BoundaryEventConverter, \
+    SendTaskConverter, ReceiveTaskConverter, \
+    IntermediateCatchEventConverter, IntermediateThrowEventConverter, \
+    ServiceTaskConverter
 from SpiffWorkflow.dmn.serializer.task_spec_converters import BusinessRuleTaskConverter
 from SpiffWorkflow.bpmn.serializer import BpmnWorkflowSerializer
 
@@ -15,7 +19,8 @@
     NoneTaskConverter, ManualTaskConverter, UserTaskConverter,
     SubWorkflowTaskConverter, TransactionSubprocessConverter, CallActivityTaskConverter,
     StartEventConverter, EndEventConverter, BoundaryEventConverter, SendTaskConverter, ReceiveTaskConverter,
-    IntermediateCatchEventConverter, IntermediateThrowEventConverter, BusinessRuleTaskConverter
+    IntermediateCatchEventConverter, IntermediateThrowEventConverter, BusinessRuleTaskConverter,
+    ServiceTaskConverter
 ])
 
 class BaseTestCase(BpmnWorkflowTestCase):
diff --git a/tests/SpiffWorkflow/spiff/ServiceTaskTest.py b/tests/SpiffWorkflow/spiff/ServiceTaskTest.py
index 1d2a772c7..b72e56dd3 100644
--- a/tests/SpiffWorkflow/spiff/ServiceTaskTest.py
+++ b/tests/SpiffWorkflow/spiff/ServiceTaskTest.py
@@ -17,9 +17,9 @@
 
 class SlackWebhookOperator(object):
     def __init__(self, webhook_token="", message="", channel="", **kwargs):
-        self.channel = channel
-        self.message = message
-        self.webhook_token = webhook_token
+        self.channel = channel['value']
+        self.message = message['value']
+        self.webhook_token = webhook_token['value']
 
     def execute(self):
         assertEqual(self.channel, "#")
@@ -42,13 +42,22 @@ def setUp(self):
 
         spec, subprocesses = self.load_workflow_spec('service_task.bpmn',
                 'service_task_example1')
-        script_engine = ExampleCustomScriptEngine()
-        self.workflow = BpmnWorkflow(spec, subprocesses, script_engine=script_engine)
+        self.script_engine = ExampleCustomScriptEngine()
+        self.workflow = BpmnWorkflow(spec, subprocesses, script_engine=self.script_engine)
 
     def testRunThroughHappy(self):
         self.workflow.do_engine_steps()
         self.assertTrue(operatorExecuted)
 
+    def testRunThroughSaveRestore(self):
+        self.save_restore()
+        # Engine isn't preserved through save/restore, so we have to reset it.
+        self.workflow.script_engine = self.script_engine
+        self.workflow.do_engine_steps()
+        self.save_restore()
+        self.assertTrue(operatorExecuted)
+
+
 def suite():
     return unittest.TestLoader().loadTestsFromTestCase(ServiceTaskTest)
 if __name__ == '__main__':