Access the VPC service management console
- Click Endpoints.
- Click Create endpoint.
At the Create endpoint page.
- In the Name tag section, enter SSMMESSAGES.
- In the Service Category section, select AWS Services.
- In the Services section,
- In the Search bar enter: .ssmmessages, then select Service Name: com.amazonaws.us-east-1.ssmmessages.

- In the VPC section, select Lab VPC.
- Select the first AZ, then select the Lab Private Subnet.
- In the Security Group section, select the SG VPC Endpoint Security group we created earlier.
- In the Policy section, select Full access

Scroll to the very bottom.
We have finished creating the VPC Interface Endpoint SSMMESSAGES.