diff --git a/examples/write_tv.py b/examples/write_tv.py
index 24203aed9..bff46c2ad 100755
--- a/examples/write_tv.py
+++ b/examples/write_tv.py
@@ -21,7 +21,10 @@
 
     doc = Document()
     doc.version = Version(1, 2)
+    doc.name = "Hello SPDX"
+    doc.spdx_id = "Test#SPDXRef-DOCUMENT"
     doc.comment = "Example Document"
+    doc.namespace = "spdx"
     doc.data_license = License.from_identifier("CC0-1.0")
     doc.creation_info.add_creator(Person("Alice", "alice@example.com"))
     doc.creation_info.set_created_now()
@@ -32,6 +35,7 @@
     # File
     testfile1 = File("TestFile1")
     testfile1.type = FileType.BINARY
+    testfile1.spdx_id = "TestFilet#SPDXRef-FILE"
     testfile1.comment = "This is a test file."
     testfile1.chk_sum = Algorithm("SHA1", "c537c5d99eca5333f23491d47ededd083fefb7ad")
     testfile1.conc_lics = License.from_identifier("BSD-2-Clause")
@@ -43,6 +47,7 @@
 
     testfile2 = File("TestFile2")
     testfile2.type = FileType.SOURCE
+    testfile2.spdx_id = "TestFile2#SPDXRef-FILE"
     testfile2.comment = "This is a test file."
     testfile2.chk_sum = Algorithm("SHA1", "bb154f28d1cf0646ae21bb0bec6c669a2b90e113")
     testfile2.conc_lics = License.from_identifier("Apache-2.0")
@@ -54,7 +59,9 @@
     package.name = "TagWriteTest"
     package.version = "1.0"
     package.file_name = "twt.jar"
+    package.spdx_id = 'TestPackage#SPDXRef-PACKAGE'
     package.download_location = "http://www.tagwritetest.test/download"
+    package.check_sum = Algorithm("SHA1", "c537c5d99eca5333f23491d47ededd083fefb7ad")
     package.homepage = SPDXNone()
     package.verif_code = "4e3211c67a2d28fced849ee1bb76e7391b93feba"
     license_set = LicenseConjunction(
@@ -82,8 +89,9 @@
     with codecs.open(file, mode="w", encoding="utf-8") as out:
         try:
             write_document(doc, out)
-        except InvalidDocumentError:
-            print("Document is Invalid")
+        except InvalidDocumentError as e:
+            print("Document is Invalid:\n\t", end="")
+            print("\n\t".join(e.args[0]))
             messages = []
             doc.validate(messages)
             print("\n".join(messages))