diff --git a/README.md b/README.md
index 3201919..17016b5 100644
--- a/README.md
+++ b/README.md
@@ -632,7 +632,59 @@ For further details on constructing the `filter` parameter please refer to the [
 
 #### Add or Update A Record
 
+You can add a record by not providing a record id value. If successful will return the id of the added record.
+
 ```python
+from Models import StringFieldValue, GuidFieldValue, DateFieldValue, IntegerListValue, Record
+
+fields = []
+
+status = uuid.UUID('4118d53a-9121-4345-8682-07f23d606daa')
+dueDate = datetime.utcnow()
+
+fields.append(StringFieldValue(6983, 'Test Task via API'))
+fields.append(StringFieldValue(6984, 'This is a task.'))
+fields.append(GuidFieldValue(6986, status))
+fields.append(DateFieldValue(6985, dueDate))
+fields.append(IntegerListValue(6987, [4]))
+
+record = Record(
+    appId=195, 
+    fields)
+
+response = client.AddOrUpdateRecord(record)
+
+print(f'Status Code: {response.statusCode}')
+print(f'Id: {response.data.id}')
+for warning in response.data.warnings:
+    print(f'Warning: {warning}')
+```
+
+You can update a record by providing its id. If successful will return id of record updated.
+
+```python
+fields = []
+
+status = uuid.UUID('1c1c5f7e-cd03-4b70-9790-0f83b24b5863')
+dueDate = datetime.utcnow()
+
+fields.append(StringFieldValue(6983, 'Test Task via API'))
+fields.append(StringFieldValue(6984, 'This is a task.'))
+fields.append(GuidFieldValue(6986, status))
+fields.append(DateFieldValue(6985, dueDate))
+fields.append(IntegerListValue(6987, [4]))
+
+record = Record(
+    appId=195, 
+    fields, 
+    recordId=103)
+
+response = client.AddOrUpdateRecord(record)
+
+print(f'Status Code: {response.statusCode}')
+print(f'Id: {response.data.id}')
+for warning in response.data.warnings:
+    print(f'Warning: {warning}')
 ```
 
 #### Delete Records By Ids
diff --git a/src/OnspringClient.py b/src/OnspringClient.py
index 205ad5d..e8d3c29 100644
--- a/src/OnspringClient.py
+++ b/src/OnspringClient.py
@@ -1347,7 +1347,7 @@ class OnspringClient:
 
         record.fields = fieldsDict
 
-        requestData = json.dumps(record.__dict__)
+        requestData = json.dumps(record.__dict__, default=str)
 
         response = requests.request(
             'PUT',
diff --git a/src/tempCodeRunnerFile.py b/src/tempCodeRunnerFile.py
index 8b0119e..eb1ae7e 100644
--- a/src/tempCodeRunnerFile.py
+++ b/src/tempCodeRunnerFile.py
@@ -1,17 +1,8 @@
-filePath = 'C:\\Users\\sfree\\Documents\\Temp\\Test Attachment.txt'
-# fileName = os.path.basename(filePath)
-# contentType = mimetypes.guess_type(filePath)
+record = Record(195,fields)
 
-# request = SaveFileRequest(
-#     60, 
-#     6989, 
-#     fileName,
-#     filePath, 
-#     contentType, 
-#     'Initial revision',
-#     datetime.now())
+response = client.AddOrUpdateRecord(record)
 
-# response = client.SaveFile(request)
-
-# print(f'Status Code: {response.statusCode}')
-# print(f'File Id: {response.data.id}')
\ No newline at end of file
+print(f'Status Code: {response.statusCode}')
+print(f'Id: {response.data.id}')
+for warning in response.data.warnings:
+    print(f'Warning: {warning}')
\ No newline at end of file