aws rds remove-source-identifier-from-subscription
Removes a source identifier from an existing RDS event notification subscription. AWS CLI reference
2 options Its page in the AWS CLI reference
Options
--source-identifierThe source identifier to be removed from the subscription, such as the DB instance identifier for a DB instance or the name of a security group.--subscription-nameThe name of the RDS event notification subscription you want to remove a source identifier from.