diff --git a/pype/ftrack/events/event_sync_to_avalon.py b/pype/ftrack/events/event_sync_to_avalon.py
index c646756788..345bc5b925 100644
--- a/pype/ftrack/events/event_sync_to_avalon.py
+++ b/pype/ftrack/events/event_sync_to_avalon.py
@@ -3,6 +3,7 @@ import collections
 import copy
 import queue
 import time
+import datetime
 import atexit
 import traceback
 
@@ -51,9 +52,36 @@ class SyncToAvalonEvent(BaseEvent):
 
     def __init__(self, session, plugins_presets={}):
         '''Expects a ftrack_api.Session instance'''
+        # Debug settings
+        # - time expiration in seconds
+        self.debug_print_time_expiration = 5 * 60
+        # - store current time
+        self.debug_print_time = datetime.datetime.now()
+        # - store synchronize entity types to be able to use
+        #   only entityTypes in interest instead of filtering by ignored
+        self.debug_sync_types = collections.defaultdict(list)
+
+        # Set processing session to not use global
         self.set_process_session(session)
         super().__init__(session, plugins_presets)
 
+    def debug_logs(self):
+        """This is debug method for printing small debugs messages. """
+        now_datetime = datetime.datetime.now()
+        delta = now_datetime - self.debug_print_time
+        if delta.total_seconds() < self.debug_print_time_expiration:
+            return
+
+        self.debug_print_time = now_datetime
+        known_types_items = []
+        for entityType, entity_type in self.debug_sync_types.items():
+            known_types_items.append("{} <{}>".format(entity_type, entityType))
+
+        known_entityTypes = ", ".join(known_types_items)
+        self.log.debug(
+            "DEBUG MESSAGE: Known entityTypes {}".format(known_entityTypes)
+        )
+
     @property
     def cur_project(self):
         if self._cur_project is None:
@@ -484,6 +512,9 @@ class SyncToAvalonEvent(BaseEvent):
             if not entity_type or entity_type in self.ignore_ent_types:
                 continue
 
+            if entity_type not in self.debug_sync_types[entityType]:
+                self.debug_sync_types[entityType].append(entity_type)
+
             action = ent_info["action"]
             ftrack_id = ent_info["entityId"]
             if isinstance(ftrack_id, list):
@@ -633,6 +664,8 @@ class SyncToAvalonEvent(BaseEvent):
         self.ftrack_added = entities_by_action["add"]
         self.ftrack_updated = updated
 
+        self.debug_logs()
+
         self.log.debug("Synchronization begins")
         try:
             time_1 = time.time()