rds iam

CREATE USER your-user; 
GRANT rds_iam TO your-user;

Related

• https://aws.amazon.com/premiumsupport/knowledge-center/users-connect-rds-iam/
• iam_database_authentication_enabled = true

See also

• Amazon databases: AWS RDS, storage, aws rds, Amazon RDS Proxy, RDS FAQs, PostgreSQL, MySQL, SQL Server, AWS Outposts, Amazon Aurora, Amazon Aurora Serverless , Amazon DocumentDB, Amazon DynamoDB, Amazon Redshift, Amazon QLDB, Amazon RDS Performance Insights, DataFileRead, DMS, Amazon Neptune, Amazon MemoryDB for Redis, Amazon RDS query editor for Aurora Serverless, Amazon Redshift query editor, AWS RDS Snapshots, AWS RDS Instance Types, rds_superuser, Authentication, autoscaling