diff --git a/integrationtests/realworld_example/test_dataset_crawler.py b/integrationtests/realworld_example/test_dataset_crawler.py
index 206020cef67b20716bacfa99399d63bb8e06360e..1e83e1e731deab22b5f152b1b74aeb7aa9bc6646 100644
--- a/integrationtests/realworld_example/test_dataset_crawler.py
+++ b/integrationtests/realworld_example/test_dataset_crawler.py
@@ -29,7 +29,7 @@ import os
 
 import caosdb as db
 
-from newcrawler.crawl import Crawler
+from newcrawler.crawl import Crawler, crawler_main
 from newcrawler.converters import JSONFileConverter, DictConverter
 from newcrawler.identifiable_adapters import CaosDBIdentifiableAdapter
 from newcrawler.structure_elements import File, JSONFile, Directory
@@ -75,7 +75,6 @@ def usemodel():
 def test_dataset(
         # clear_database,
         usemodel):
-    # json_file_path = rfp("test_directories", "single_file_test_data", "testjson.json")
 
     ident = CaosDBIdentifiableAdapter()
     ident.register_identifiable(
@@ -86,7 +85,8 @@ def test_dataset(
     ).add_parent("Person").add_property("full_name"))
 
     crawler = Crawler(debug=True, identifiableAdapter=ident)
-    crawler_definition = crawler.load_definition(os.path.join(DATADIR, "dataset_cfoods.yml"))
+    crawler_definition = crawler.load_definition(
+        os.path.join(DATADIR, "dataset_cfoods.yml"))
     # print(json.dumps(crawler_definition, indent=3))
     # Load and register converter packages:
     converter_registry = crawler.load_converters(crawler_definition)
@@ -120,3 +120,15 @@ def test_dataset(
                             "") == 1
     assert db.execute_query(f"COUNT RECORD with id={dataset.id} AND WHICH REFERENCES Event WITH "
                             "start_datetime='2022-02-10T16:36:48+01:00'") == 1
+
+
+def test_event_update(usemodel):
+
+    ident = CaosDBIdentifiableAdapter()
+    ident.load_from_yaml_definition(os.path.join(DATADIR, "identifiables.yml"))
+
+    # TODO(fspreck): Use crawler_main
+    crawler_main()
+
+    # TODO(fspreck): crawl again manually, edit the event records in the update
+    # list, synchronize, and test whether the events have been updated.
diff --git a/integrationtests/test_data/extroot/realworld_example/identifiables.yml b/integrationtests/test_data/extroot/realworld_example/identifiables.yml
new file mode 100644
index 0000000000000000000000000000000000000000..0ea0265ecfec05392c599457d81339bc91ba18d0
--- /dev/null
+++ b/integrationtests/test_data/extroot/realworld_example/identifiables.yml
@@ -0,0 +1,22 @@
+license:
+  - name
+project_type:
+  - name
+Keyword:
+  - name
+Taxon:
+  - name
+Person:
+  - email
+  # - full_name
+Dataset:
+  - title
+  # - DOI
+Event:
+  - longitude
+  - latitude
+  - start_datetime
+Dataspace:
+  - dataspace_id
+Project:
+  - name