Parameters: MyRestRegionalDomainName: Type: String MyRestRegionalDomainCert: Type: String HostedZoneId: Type: String Globals: Api: Domain: DomainName: Ref: MyRestRegionalDomainName CertificateArn: Ref: MyRestRegionalDomainCert EndpointConfiguration: REGIONAL MutualTlsAuthentication: TruststoreUri: ${mtlsuri} TruststoreVersion: 0 SecurityPolicy: TLS_1_2 BasePath: - /get - /post Route53: HostedZoneId: Ref: HostedZoneId Region: eu-west-2 SetIdentifier: eu-west-2 DistributionDomainName: test.domain.com Resources: MyFunction: Type: AWS::Serverless::Function Properties: InlineCode: | exports.handler = async (event) => { const response = { statusCode: 200, body: JSON.stringify('Hello from Lambda!'), }; return response; }; Handler: index.handler Runtime: nodejs14.x Events: ImplicitGet: Type: Api Properties: Method: Get Path: /get ImplicitPost: Type: Api Properties: Method: Post Path: /post Metadata: SamTransformTest: true