diff --git a/Detectors/ITSMFT/ITS/workflow/src/its-reco-workflow.cxx b/Detectors/ITSMFT/ITS/workflow/src/its-reco-workflow.cxx
index 5ff5ea26030c0..636cbcb8c9520 100644
--- a/Detectors/ITSMFT/ITS/workflow/src/its-reco-workflow.cxx
+++ b/Detectors/ITSMFT/ITS/workflow/src/its-reco-workflow.cxx
@@ -14,15 +14,33 @@
 #include "ITStracking/TrackingConfigParam.h"
 #include "ITStracking/Configuration.h"
 #include "DetectorsRaw/HBFUtilsInitializer.h"
+#include "Framework/CallbacksPolicy.h"
+#include "Framework/CallbackService.h"
+#include "Framework/ConfigContext.h"
 
 #include "GPUO2Interface.h"
 #include "GPUReconstruction.h"
 #include "GPUChainITS.h"
+#include <vector>
 
 using namespace o2::framework;
 
 // ------------------------------------------------------------------
 
+void customize(std::vector<o2::framework::CallbacksPolicy>& policies)
+{
+  policies.push_back(CallbacksPolicy{
+    [](DeviceSpec const& spec, ConfigContext const& context) -> bool {
+      // auto filename = context.options().get<std::string>("filename");
+      return false;
+    },
+    [](CallbackService& service, InitContext& context) {
+      //      std::vector<uint64_t> enums = readEnumerations(context.options().get<std::string>("filename"));
+      service.set(CallbackService::Id::NewTimeslice, [/*enums*/](o2::header::DataHeader& dh) {
+      });
+    }});
+}
+
 // we need to add workflow options before including Framework/runDataProcessing
 void customize(std::vector<o2::framework::ConfigParamSpec>& workflowOptions)
 {
diff --git a/Framework/Core/include/Framework/CallbacksPolicy.h b/Framework/Core/include/Framework/CallbacksPolicy.h
index 0d8186f45b974..9a0960b1cb4b5 100644
--- a/Framework/Core/include/Framework/CallbacksPolicy.h
+++ b/Framework/Core/include/Framework/CallbacksPolicy.h
@@ -20,9 +20,10 @@ namespace o2::framework
 {
 
 struct CallbackService;
+struct InitContext;
 
 struct CallbacksPolicy {
-  using CallbacksCustomization = std::function<void(CallbackService&)>;
+  using CallbacksCustomization = std::function<void(CallbackService&, InitContext&)>;
   DeviceMatcher matcher = nullptr;
   CallbacksCustomization policy = nullptr;
   static std::vector<CallbacksPolicy> createDefaultPolicies();
diff --git a/Framework/Core/include/Framework/DataProcessorMatchers.h b/Framework/Core/include/Framework/DataProcessorMatchers.h
index 0f0da56b00256..3a55776c8e754 100644
--- a/Framework/Core/include/Framework/DataProcessorMatchers.h
+++ b/Framework/Core/include/Framework/DataProcessorMatchers.h
@@ -17,9 +17,10 @@ namespace o2::framework
 
 struct DataProcessorSpec;
 struct DeviceSpec;
+struct ConfigContext;
 
 using DataProcessorMatcher = std::function<bool(DataProcessorSpec const& spec)>;
-using DeviceMatcher = std::function<bool(DeviceSpec const& spec)>;
+using DeviceMatcher = std::function<bool(DeviceSpec const& spec, ConfigContext const& context)>;
 
 /// A set of helper to build policies that need to
 /// be applied based on some DataProcessorSpec property
diff --git a/Framework/Core/src/CallbacksPolicy.cxx b/Framework/Core/src/CallbacksPolicy.cxx
index f098d147240f1..b675878560a01 100644
--- a/Framework/Core/src/CallbacksPolicy.cxx
+++ b/Framework/Core/src/CallbacksPolicy.cxx
@@ -25,10 +25,10 @@ namespace o2::framework
 CallbacksPolicy epnProcessReporting()
 {
   return {
-    .matcher = [](DeviceSpec const&) -> bool {
+    .matcher = [](DeviceSpec const&, ConfigContext const& context) -> bool {
       /// FIXME:
       return getenv("DDS_SESSION_ID") != nullptr; },
-    .policy = [](CallbackService& callbacks) -> void {
+    .policy = [](CallbackService& callbacks, InitContext& context) -> void {
       callbacks.set(CallbackService::Id::PreProcessing, [](ServiceRegistry& registry, int op) {
         auto& info = registry.get<TimingInfo>();
         LOGP(info, "Processing timeslice:{}, tfCounter:{}, firstTFOrbit:{}, action:{}",
diff --git a/Framework/Core/src/DataProcessingDevice.cxx b/Framework/Core/src/DataProcessingDevice.cxx
index e896f3554b693..9a1bd811f64fa 100644
--- a/Framework/Core/src/DataProcessingDevice.cxx
+++ b/Framework/Core/src/DataProcessingDevice.cxx
@@ -307,7 +307,8 @@ void DataProcessingDevice::Init()
 
   // Invoke the callback policy for this device.
   if (mSpec.callbacksPolicy.policy != nullptr) {
-    mSpec.callbacksPolicy.policy(mServiceRegistry.get<CallbackService>());
+    InitContext initContext{*mConfigRegistry, mServiceRegistry};
+    mSpec.callbacksPolicy.policy(mServiceRegistry.get<CallbackService>(), initContext);
   }
 }
 
diff --git a/Framework/Core/src/DataProcessorMatchers.cxx b/Framework/Core/src/DataProcessorMatchers.cxx
index 08108593d0f89..491978fb5aad9 100644
--- a/Framework/Core/src/DataProcessorMatchers.cxx
+++ b/Framework/Core/src/DataProcessorMatchers.cxx
@@ -24,7 +24,7 @@ DataProcessorMatcher DataProcessorMatchers::matchByName(char const* name_)
 
 DeviceMatcher DeviceMatchers::matchByName(char const* name_)
 {
-  return [name = std::string(name_)](DeviceSpec const& spec) {
+  return [name = std::string(name_)](DeviceSpec const& spec, ConfigContext const&) {
     return spec.name == name;
   };
 }
diff --git a/Framework/Core/src/DeviceSpecHelpers.cxx b/Framework/Core/src/DeviceSpecHelpers.cxx
index 8766274c56035..9e6114a524204 100644
--- a/Framework/Core/src/DeviceSpecHelpers.cxx
+++ b/Framework/Core/src/DeviceSpecHelpers.cxx
@@ -826,6 +826,7 @@ void DeviceSpecHelpers::dataProcessorSpecs2DeviceSpecs(const WorkflowSpec& workf
                                                        std::vector<DeviceSpec>& devices,
                                                        ResourceManager& resourceManager,
                                                        std::string const& uniqueWorkflowId,
+                                                       ConfigContext const& configContext,
                                                        bool optimizeTopology,
                                                        unsigned short resourcesMonitoringInterval,
                                                        std::string const& channelPrefix)
@@ -902,7 +903,7 @@ void DeviceSpecHelpers::dataProcessorSpecs2DeviceSpecs(const WorkflowSpec& workf
       }
     }
     for (auto& policy : callbacksPolicies) {
-      if (policy.matcher(device) == true) {
+      if (policy.matcher(device, configContext) == true) {
         device.callbacksPolicy = policy;
         break;
       }
diff --git a/Framework/Core/src/DeviceSpecHelpers.h b/Framework/Core/src/DeviceSpecHelpers.h
index caed1963ff5bc..a6781728cf92e 100644
--- a/Framework/Core/src/DeviceSpecHelpers.h
+++ b/Framework/Core/src/DeviceSpecHelpers.h
@@ -40,6 +40,7 @@ namespace o2::framework
 {
 struct InputChannelSpec;
 struct OutputChannelSpec;
+struct ConfigContext;
 
 struct DeviceSpecHelpers {
   /// Helper to convert from an abstract dataflow specification, @a workflow,
@@ -54,6 +55,7 @@ struct DeviceSpecHelpers {
     std::vector<DeviceSpec>& devices,
     ResourceManager& resourceManager,
     std::string const& uniqueWorkflowId,
+    ConfigContext const& configContext,
     bool optimizeTopology = false,
     unsigned short resourcesMonitoringInterval = 0,
     std::string const& channelPrefix = "");
@@ -66,6 +68,7 @@ struct DeviceSpecHelpers {
     std::vector<DeviceSpec>& devices,
     ResourceManager& resourceManager,
     std::string const& uniqueWorkflowId,
+    ConfigContext const& configContext,
     bool optimizeTopology = false,
     unsigned short resourcesMonitoringInterval = 0,
     std::string const& channelPrefix = "")
@@ -74,7 +77,7 @@ struct DeviceSpecHelpers {
     std::vector<ResourcePolicy> resourcePolicies = ResourcePolicy::createDefaultPolicies();
     dataProcessorSpecs2DeviceSpecs(workflow, channelPolicies, completionPolicies,
                                    dispatchPolicies, resourcePolicies, callbacksPolicies, devices,
-                                   resourceManager, uniqueWorkflowId, optimizeTopology,
+                                   resourceManager, uniqueWorkflowId, configContext, optimizeTopology,
                                    resourcesMonitoringInterval, channelPrefix);
   }
 
diff --git a/Framework/Core/src/runDataProcessing.cxx b/Framework/Core/src/runDataProcessing.cxx
index 342895e589ba1..935518d9f3c73 100644
--- a/Framework/Core/src/runDataProcessing.cxx
+++ b/Framework/Core/src/runDataProcessing.cxx
@@ -1496,6 +1496,7 @@ int runStateMachine(DataProcessorSpecs const& workflow,
                                                             runningWorkflow.devices,
                                                             *resourceManager,
                                                             driverInfo.uniqueWorkflowId,
+                                                            *driverInfo.configContext,
                                                             !varmap["no-IPC"].as<bool>(),
                                                             driverInfo.resourcesMonitoringInterval,
                                                             varmap["channel-prefix"].as<std::string>());
diff --git a/Framework/Core/test/test_DeviceSpec.cxx b/Framework/Core/test/test_DeviceSpec.cxx
index d853510ed6f12..306b93058f6a5 100644
--- a/Framework/Core/test/test_DeviceSpec.cxx
+++ b/Framework/Core/test/test_DeviceSpec.cxx
@@ -59,7 +59,7 @@ BOOST_AUTO_TEST_CASE(TestDeviceSpec1)
   BOOST_CHECK_EQUAL(offers[0].startPort, 22000);
   BOOST_CHECK_EQUAL(offers[0].rangeSize, 1000);
 
-  DeviceSpecHelpers::dataProcessorSpecs2DeviceSpecs(workflow, channelPolicies, completionPolicies, callbacksPolicies, devices, rm, "workflow-id");
+  DeviceSpecHelpers::dataProcessorSpecs2DeviceSpecs(workflow, channelPolicies, completionPolicies, callbacksPolicies, devices, rm, "workflow-id", *configContext);
   BOOST_REQUIRE_EQUAL(devices.size(), 2);
   BOOST_CHECK_EQUAL(devices[0].outputChannels.size(), 1);
   BOOST_CHECK_EQUAL(devices[0].outputChannels[0].method, ChannelMethod::Bind);
@@ -96,7 +96,7 @@ BOOST_AUTO_TEST_CASE(TestDeviceSpec1PushPull)
   std::vector<DeviceSpec> devices;
   std::vector<ComputingResource> resources{ComputingResourceHelpers::getLocalhostResource()};
   SimpleResourceManager rm(resources);
-  DeviceSpecHelpers::dataProcessorSpecs2DeviceSpecs(workflow, channelPolicies, completionPolicies, callbacksPolicies, devices, rm, "workflow-id");
+  DeviceSpecHelpers::dataProcessorSpecs2DeviceSpecs(workflow, channelPolicies, completionPolicies, callbacksPolicies, devices, rm, "workflow-id", *configContext);
   BOOST_CHECK_EQUAL(devices.size(), 2);
   BOOST_CHECK_EQUAL(devices[0].outputChannels.size(), 1);
   BOOST_CHECK_EQUAL(devices[0].outputChannels[0].method, ChannelMethod::Bind);
@@ -142,7 +142,7 @@ BOOST_AUTO_TEST_CASE(TestDeviceSpec2)
 
   std::vector<ComputingResource> resources{ComputingResourceHelpers::getLocalhostResource()};
   SimpleResourceManager rm(resources);
-  DeviceSpecHelpers::dataProcessorSpecs2DeviceSpecs(workflow, channelPolicies, completionPolicies, callbacksPolicies, devices, rm, "workflow-id");
+  DeviceSpecHelpers::dataProcessorSpecs2DeviceSpecs(workflow, channelPolicies, completionPolicies, callbacksPolicies, devices, rm, "workflow-id", *configContext);
   BOOST_CHECK_EQUAL(devices.size(), 2);
   BOOST_CHECK_EQUAL(devices[0].outputChannels.size(), 1);
   BOOST_CHECK_EQUAL(devices[0].outputChannels[0].method, ChannelMethod::Bind);
@@ -186,7 +186,7 @@ BOOST_AUTO_TEST_CASE(TestDeviceSpec3)
 
   std::vector<ComputingResource> resources{ComputingResourceHelpers::getLocalhostResource()};
   SimpleResourceManager rm(resources);
-  DeviceSpecHelpers::dataProcessorSpecs2DeviceSpecs(workflow, channelPolicies, completionPolicies, callbacksPolicies, devices, rm, "workflow-id");
+  DeviceSpecHelpers::dataProcessorSpecs2DeviceSpecs(workflow, channelPolicies, completionPolicies, callbacksPolicies, devices, rm, "workflow-id", *configContext);
   BOOST_CHECK_EQUAL(devices.size(), 3);
   BOOST_CHECK_EQUAL(devices[0].outputChannels.size(), 2);
   BOOST_CHECK_EQUAL(devices[0].outputChannels[0].method, ChannelMethod::Bind);
@@ -236,7 +236,7 @@ BOOST_AUTO_TEST_CASE(TestDeviceSpec4)
   std::vector<ComputingResource> resources{ComputingResourceHelpers::getLocalhostResource()};
   SimpleResourceManager rm(resources);
 
-  DeviceSpecHelpers::dataProcessorSpecs2DeviceSpecs(workflow, channelPolicies, completionPolicies, callbacksPolicies, devices, rm, "workflow-id");
+  DeviceSpecHelpers::dataProcessorSpecs2DeviceSpecs(workflow, channelPolicies, completionPolicies, callbacksPolicies, devices, rm, "workflow-id", *configContext);
   BOOST_CHECK_EQUAL(devices.size(), 4);
   BOOST_CHECK_EQUAL(devices[0].outputChannels.size(), 2);
   BOOST_CHECK_EQUAL(devices[0].outputChannels[0].method, ChannelMethod::Bind);
@@ -307,7 +307,7 @@ BOOST_AUTO_TEST_CASE(TestTopologyForwarding)
 
   std::vector<ComputingResource> resources{ComputingResourceHelpers::getLocalhostResource()};
   SimpleResourceManager rm(resources);
-  DeviceSpecHelpers::dataProcessorSpecs2DeviceSpecs(workflow, channelPolicies, completionPolicies, callbacksPolicies, devices, rm, "workflow-id");
+  DeviceSpecHelpers::dataProcessorSpecs2DeviceSpecs(workflow, channelPolicies, completionPolicies, callbacksPolicies, devices, rm, "workflow-id", *configContext);
   BOOST_CHECK_EQUAL(devices.size(), 3);
   BOOST_CHECK_EQUAL(devices[0].outputChannels.size(), 1);
   BOOST_CHECK_EQUAL(devices[0].outputChannels[0].method, ChannelMethod::Bind);
@@ -587,7 +587,7 @@ BOOST_AUTO_TEST_CASE(TestTopologyLayeredTimePipeline)
   auto callbacksPolicies = CallbacksPolicy::createDefaultPolicies();
   std::vector<ComputingResource> resources{ComputingResourceHelpers::getLocalhostResource()};
   SimpleResourceManager rm(resources);
-  DeviceSpecHelpers::dataProcessorSpecs2DeviceSpecs(workflow, channelPolicies, completionPolicies, callbacksPolicies, devices, rm, "workflow-id");
+  DeviceSpecHelpers::dataProcessorSpecs2DeviceSpecs(workflow, channelPolicies, completionPolicies, callbacksPolicies, devices, rm, "workflow-id", *configContext);
   BOOST_CHECK_EQUAL(devices.size(), 6);
   BOOST_CHECK_EQUAL(devices[0].id, "A");
   BOOST_CHECK_EQUAL(devices[1].id, "B_t0");
diff --git a/Framework/Core/test/test_DeviceSpecHelpers.cxx b/Framework/Core/test/test_DeviceSpecHelpers.cxx
index 939b67cce3998..6d3ee9022256f 100644
--- a/Framework/Core/test/test_DeviceSpecHelpers.cxx
+++ b/Framework/Core/test/test_DeviceSpecHelpers.cxx
@@ -141,7 +141,7 @@ BOOST_AUTO_TEST_CASE(test_prepareArguments)
                                                     CompletionPolicy::createDefaultPolicies(),
                                                     callbacksPolicies,
                                                     deviceSpecs,
-                                                    *rm, "workflow-id");
+                                                    *rm, "workflow-id", *configContext);
 
   // Now doing the test cases
   CheckMatrix matrix;
diff --git a/Framework/Core/test/test_FrameworkDataFlowToDDS.cxx b/Framework/Core/test/test_FrameworkDataFlowToDDS.cxx
index 5095a9542c5f9..b53978dcd3f4b 100644
--- a/Framework/Core/test/test_FrameworkDataFlowToDDS.cxx
+++ b/Framework/Core/test/test_FrameworkDataFlowToDDS.cxx
@@ -23,10 +23,14 @@
 #include "Framework/DeviceSpec.h"
 #include "Framework/ProcessingContext.h"
 #include "Framework/WorkflowSpec.h"
+#include "Framework/ConfigContext.h"
+#include "Framework/ConfigParamStore.h"
+#include "Framework/ConfigParamRegistry.h"
 
 #include <chrono>
 #include <sstream>
 #include <thread>
+#include <memory>
 
 using namespace o2::framework;
 
@@ -92,7 +96,7 @@ BOOST_AUTO_TEST_CASE(TestDDS)
   SimpleResourceManager rm(resources);
   auto completionPolicies = CompletionPolicy::createDefaultPolicies();
   auto callbacksPolicies = CallbacksPolicy::createDefaultPolicies();
-  DeviceSpecHelpers::dataProcessorSpecs2DeviceSpecs(workflow, channelPolicies, completionPolicies, callbacksPolicies, devices, rm, "workflow-id", true);
+  DeviceSpecHelpers::dataProcessorSpecs2DeviceSpecs(workflow, channelPolicies, completionPolicies, callbacksPolicies, devices, rm, "workflow-id", *configContext, true);
   std::vector<DeviceControl> controls;
   std::vector<DeviceExecution> executions;
   controls.resize(devices.size());
diff --git a/Framework/Core/test/test_FrameworkDataFlowToO2Control.cxx b/Framework/Core/test/test_FrameworkDataFlowToO2Control.cxx
index 34da1cd78c7bb..8d7bc3b888ef8 100644
--- a/Framework/Core/test/test_FrameworkDataFlowToO2Control.cxx
+++ b/Framework/Core/test/test_FrameworkDataFlowToO2Control.cxx
@@ -419,7 +419,7 @@ BOOST_AUTO_TEST_CASE(TestO2ControlDump)
   SimpleResourceManager rm(resources);
   auto completionPolicies = CompletionPolicy::createDefaultPolicies();
   auto callbacksPolicies = CallbacksPolicy::createDefaultPolicies();
-  DeviceSpecHelpers::dataProcessorSpecs2DeviceSpecs(workflow, channelPolicies, completionPolicies, callbacksPolicies, devices, rm, "workflow-id", true);
+  DeviceSpecHelpers::dataProcessorSpecs2DeviceSpecs(workflow, channelPolicies, completionPolicies, callbacksPolicies, devices, rm, "workflow-id", *configContext, true);
   std::vector<DeviceControl> controls;
   std::vector<DeviceExecution> executions;
   controls.resize(devices.size());
diff --git a/Framework/Core/test/test_Graphviz.cxx b/Framework/Core/test/test_Graphviz.cxx
index b60e43e49dd51..2d5b00c64ce04 100644
--- a/Framework/Core/test/test_Graphviz.cxx
+++ b/Framework/Core/test/test_Graphviz.cxx
@@ -103,7 +103,7 @@ BOOST_AUTO_TEST_CASE(TestGraphviz)
   auto callbacksPolicies = CallbacksPolicy::createDefaultPolicies();
   std::vector<ComputingResource> resources = {ComputingResourceHelpers::getLocalhostResource()};
   SimpleResourceManager rm(resources);
-  DeviceSpecHelpers::dataProcessorSpecs2DeviceSpecs(workflow, channelPolicies, completionPolicies, callbacksPolicies, devices, rm, "workflow-id");
+  DeviceSpecHelpers::dataProcessorSpecs2DeviceSpecs(workflow, channelPolicies, completionPolicies, callbacksPolicies, devices, rm, "workflow-id", *configContext);
   str.str("");
   GraphvizHelpers::dumpDeviceSpec2Graphviz(str, devices);
   lineByLineComparision(str.str(), R"EXPECTED(digraph structs {
@@ -143,7 +143,7 @@ BOOST_AUTO_TEST_CASE(TestGraphvizWithPipeline)
   auto callbacksPolicies = CallbacksPolicy::createDefaultPolicies();
   std::vector<ComputingResource> resources = {ComputingResourceHelpers::getLocalhostResource()};
   SimpleResourceManager rm(resources);
-  DeviceSpecHelpers::dataProcessorSpecs2DeviceSpecs(workflow, channelPolicies, completionPolicies, callbacksPolicies, devices, rm, "workflow-id");
+  DeviceSpecHelpers::dataProcessorSpecs2DeviceSpecs(workflow, channelPolicies, completionPolicies, callbacksPolicies, devices, rm, "workflow-id", *configContext);
   str.str("");
   GraphvizHelpers::dumpDeviceSpec2Graphviz(str, devices);
   lineByLineComparision(str.str(), R"EXPECTED(digraph structs {
diff --git a/Framework/Core/test/test_TimeParallelPipelining.cxx b/Framework/Core/test/test_TimeParallelPipelining.cxx
index 4f16e9bcc349f..b345550bdbd67 100644
--- a/Framework/Core/test/test_TimeParallelPipelining.cxx
+++ b/Framework/Core/test/test_TimeParallelPipelining.cxx
@@ -60,7 +60,7 @@ BOOST_AUTO_TEST_CASE(TimePipeliningSimple)
   auto callbacksPolicies = CallbacksPolicy::createDefaultPolicies();
   std::vector<ComputingResource> resources = {ComputingResourceHelpers::getLocalhostResource()};
   SimpleResourceManager rm(resources);
-  DeviceSpecHelpers::dataProcessorSpecs2DeviceSpecs(workflow, channelPolicies, completionPolicies, callbacksPolicies, devices, rm, "workflow-id");
+  DeviceSpecHelpers::dataProcessorSpecs2DeviceSpecs(workflow, channelPolicies, completionPolicies, callbacksPolicies, devices, rm, "workflow-id", *configContext);
   BOOST_REQUIRE_EQUAL(devices.size(), 4);
   auto& producer = devices[0];
   auto& layer0Consumer0 = devices[1];
@@ -114,7 +114,7 @@ BOOST_AUTO_TEST_CASE(TimePipeliningFull)
   auto callbacksPolicies = CallbacksPolicy::createDefaultPolicies();
   std::vector<ComputingResource> resources = {ComputingResourceHelpers::getLocalhostResource()};
   SimpleResourceManager rm(resources);
-  DeviceSpecHelpers::dataProcessorSpecs2DeviceSpecs(workflow, channelPolicies, completionPolicies, callbacksPolicies, devices, rm, "workflow-id");
+  DeviceSpecHelpers::dataProcessorSpecs2DeviceSpecs(workflow, channelPolicies, completionPolicies, callbacksPolicies, devices, rm, "workflow-id", *configContext);
   BOOST_REQUIRE_EQUAL(devices.size(), 7);
   auto& producer = devices[0];
   auto& layer0Consumer0 = devices[1];
diff --git a/Framework/TestWorkflows/src/o2DiamondWorkflow.cxx b/Framework/TestWorkflows/src/o2DiamondWorkflow.cxx
index 3e0da1120479f..e87a0542cfdcc 100644
--- a/Framework/TestWorkflows/src/o2DiamondWorkflow.cxx
+++ b/Framework/TestWorkflows/src/o2DiamondWorkflow.cxx
@@ -39,7 +39,7 @@ void customize(std::vector<CallbacksPolicy>& policies)
 {
   policies.push_back(CallbacksPolicy{
     .matcher = DeviceMatchers::matchByName("A"),
-    .policy = [](CallbackService& service) {
+    .policy = [](CallbackService& service, InitContext&) {
       service.set(CallbackService::Id::Start, []() { LOG(INFO) << "invoked at start"; });
     }});
 }