dbClusterIdentifier
The identifier for this DB cluster. This parameter is stored as a lowercase string.
Valid for Cluster Type: Aurora DB clusters and Multi-AZ DB clusters
Constraints:
Must contain from 1 to 63 (for Aurora DB clusters) or 1 to 52 (for Multi-AZ DB clusters) letters, numbers, or hyphens.
First character must be a letter.
Can't end with a hyphen or contain two consecutive hyphens.
Example: my-cluster1