Clarification of the parameter format for Cloud Formation templates

[brucemiller-rm]

Hi,

The parameters used by Cloud Formation to set up the blueprint for Unified Studio are unclear.

Can you provide more specific guidance on the format / style of the data needed for the following parameters. I can't get these parameters to load into Cloud Formation although the CDK doesn't flag any errors but the Domain doesn't update.

DZS3Bucket: Type: String. Description: S3 location for Tooling environment
SageMakerSubnets: Type: String. Description: Subnet IDs for SageMaker
AmazonSageMakerVpcId: Type: String. Description: VPC ID for SageMaker

For example, should the subnets be in the form. "subnet-xxxxxxxxxx" or the ARN?
Similarly, should the DZ S3 Bucket be in the form "amazon-sagemaker-xxxxxxxxxxxx--xxxx" or "s3://amazon-sagemaker-xxxxxxxxxxx--xxx" or should it be the full ARN.
Similarly, should the VPCID be in the form: "vpc-xxxxxxxxxxxxx" or the VPC Name, or the VPC ARN.

Thanks

[brucemiller-rm]

Clarified via AWS Support:
If deploying via CFM CDK (typescript), the regional parameters are defined for the Blueprint Tooling, using:
CfnEnvironmentBlueprintConfiguration class. Within that class, parameters are passed in for the region, to specify the items above. That section of the parameters must have leading upper case characters (normally converted by CDK but apparently not in this case).

regionalParameters: [
{
region: this.region,
parameters: {
S3Location: s3://amazon-sagemaker-${this.account}-${this.region}-1234567/,
Subnets: 'subnet-xxxxxxxxxxx, subnet-xxxxxxxxxx',
VpcId: 'vpc-xxxxxxxxxxxxxx',
},
},
],