Setting properties for a subscription that publishes source changes to a queue from Classic CDC

After you have mapped tables for a subscription that published connect to a queue from Classic CDC, you can modify the following subscription properties:

Queue Name
Specifies the name of the queue where all source changes will be applied for the subscription.
Topic
Specifies the topic for the delimited message sent to the queue.
Maximum Message Size (in bytes)
Specifies the maximum message size. The minimum value is 4096 bytes.