Notice: Over the next few months, we're reorganizing the App Engine documentation site to make it easier to find content and better align with the rest of Google Cloud products. The same content will be available, but the navigation will now match the rest of the Cloud products.

Python 3.10 is now available in preview.


Check if this property value can be stored.

name name of the property
value entity_pb2.PropertyValue
max_length maximum length for string values
meaning meaning of the property

apiproxy_errors.ApplicationError if the property is invalid