Integration of register lambda stytch

integration.ts

export const getStytchRegisterLambdaIntegration =  (
    stack: Construct,
    id:string,
    options:InfrastructureOptions) => {

    const registerFunction = new NodejsFunction(stack, id, {
        architecture: Architecture.ARM_64,
        entry: `${__dirname}/register.ts`,
        logRetention: RetentionDays.ONE_WEEK,
        timeout: Duration.minutes(1),
        memorySize: 256,
        initialPolicy: [
            new PolicyStatement({
                actions: ["ssm:GetParameter","ssm:PutParameter"],
                resources: ["*"],
            }),

        ],
        environment:{
            ENV: options.environ
        }
    });

    options.userDb.grantReadWriteData(registerFunction);

    return registerFunction;
}