Dynamodb stream datepart wildcard

I’m trying to access a dynamodb stream using the following:


but it seems to fail, is there any way to omit the date part or use a wildcard for it? so I don’t have to use the full date string to access it like this:


important note:
the dynamodb table was created outside of the serverless framework, so I can’t really access the StreamArn through the Fn::GetAtt.