For adding connection string setting for your CMP connector, please follow below link for reference. It contains all details that you needed related to what should be the values for
Subscription name &
Hope this helps you.
The values you are looking for should be set like this.
- Incoming topic name – m_in (The topic of the messages posted by the Sitecore Content Hub, posted after the trigger is fired)
- Incoming subscription name – sitecore
- Outgoing topic name – m_out (The topic of the messages posted to the Azure Service Bus after content is imported to Sitecore)
Refer to this article for more details.