diff --git a/event_routing_backends/backends/events_router.py b/event_routing_backends/backends/events_router.py
index 6df1dcdb..9e3a1c08 100644
--- a/event_routing_backends/backends/events_router.py
+++ b/event_routing_backends/backends/events_router.py
@@ -140,7 +140,8 @@ def bulk_send(self, events):
                 prepared_events.append(updated_event)
 
             if prepared_events:  # pragma: no cover
-                dispatch_bulk_events.delay(
+                func = dispatch_bulk_events if self.sync else dispatch_bulk_events.delay
+                func(
                     prepared_events,
                     host['router_type'],
                     host['host_configurations']
diff --git a/event_routing_backends/management/commands/helpers/queued_sender.py b/event_routing_backends/management/commands/helpers/queued_sender.py
index d6ddf5c0..57cd0334 100644
--- a/event_routing_backends/management/commands/helpers/queued_sender.py
+++ b/event_routing_backends/management/commands/helpers/queued_sender.py
@@ -7,12 +7,11 @@
 from io import BytesIO
 from time import sleep
 
-from event_routing_backends.backends.events_router import EventsRouter
 from event_routing_backends.management.commands.helpers.event_log_parser import parse_json_event
-from event_routing_backends.models import RouterConfiguration
-from event_routing_backends.processors.caliper.transformer_processor import CaliperProcessor
-from event_routing_backends.processors.xapi.transformer_processor import XApiProcessor
-
+from eventtracking.processors.exceptions import EventEmissionExit
+from eventtracking.processors.whitelist import NameWhitelistProcessor
+from eventtracking.tracker import get_tracker
+from eventtracking.backends.event_bus import EventBusRoutingBackend
 
 class QueuedSender:
     """
@@ -23,6 +22,7 @@ def __init__(
         destination,
         destination_container,
         destination_prefix,
+        backend,
         transformer_type,
         max_queue_size=10000,
         sleep_between_batches_secs=1.0,
@@ -31,6 +31,7 @@ def __init__(
         self.destination = destination
         self.destination_container = destination_container
         self.destination_prefix = destination_prefix
+        self.backend = backend
         self.transformer_type = transformer_type
         self.event_queue = []
         self.max_queue_size = max_queue_size
@@ -43,16 +44,12 @@ def __init__(
         self.unparsable_lines = 0
         self.batches_sent = 0
 
-        if self.transformer_type == "xapi":
-            self.router = EventsRouter(
-                backend_name=RouterConfiguration.XAPI_BACKEND,
-                processors=[XApiProcessor()]
-            )
-        else:
-            self.router = EventsRouter(
-                backend_name=RouterConfiguration.CALIPER_BACKEND,
-                processors=[CaliperProcessor()]
-            )
+        self.tracker = get_tracker()
+        self.router = self.tracker.backends[self.backend]
+        if transformer_type != "all":
+            self.router.backends = {
+                self.backend: self.router.backends[self.transformer_type]
+            }
 
     def is_known_event(self, event):
         """
@@ -60,6 +57,11 @@ def is_known_event(self, event):
         """
         if "name" in event:
             for processor in self.router.processors:
+                if isinstance(processor, NameWhitelistProcessor):
+                    try:
+                        return processor(event)
+                    except EventEmissionExit:
+                        continue
                 if event["name"] in processor.registry.mapping:
                     return True
         return False
@@ -108,7 +110,12 @@ def send(self):
         """
         if self.destination == "LRS":
             print(f"Sending {len(self.event_queue)} events to LRS...")
-            self.router.bulk_send(self.event_queue)
+            if isinstance(self.router, EventBusRoutingBackend):
+                for event in self.event_queue:
+                    self.router.send(event)
+            else:
+                for backend in self.router.backends.values():
+                    backend.bulk_send(self.event_queue)
         else:
             print("Skipping send, we're storing with libcloud instead of an LRS.")
 
diff --git a/event_routing_backends/management/commands/transform_tracking_logs.py b/event_routing_backends/management/commands/transform_tracking_logs.py
index b11df861..7ba277fe 100644
--- a/event_routing_backends/management/commands/transform_tracking_logs.py
+++ b/event_routing_backends/management/commands/transform_tracking_logs.py
@@ -237,9 +237,14 @@ def add_arguments(self, parser):
                  "key 'container'. If your destination needs a prefix (ex: directory path), add it here under the key "
                  "'prefix'. If no prefix is given, the output file(s) will be written to the base path.",
         )
+        parser.add_argument(
+            '--backend',
+            type=str,
+            help="The name of the tracking backend to use. This is only used if the destination_provider is 'LRS'."
+        )
         parser.add_argument(
             '--transformer_type',
-            choices=["xapi", "caliper"],
+            choices=["xapi", "caliper", "all"],
             required=True,
             help="The type of transformation to do, only one can be done at a time.",
         )
@@ -291,6 +296,7 @@ def handle(self, *args, **options):
             dest_driver,
             dest_container,
             dest_prefix,
+            options["backend"],
             options["transformer_type"],
             max_queue_size=options["batch_size"],
             sleep_between_batches_secs=options["sleep_between_batches_secs"],