modifyTargetGroupAttributes

// This example sets the deregistration delay timeout to the specified value for the specified target
// group.
val resp = elasticLoadBalancingV2Client.modifyTargetGroupAttributes {
    targetGroupArn = "arn:aws:elasticloadbalancing:us-west-2:123456789012:targetgroup/my-targets/73e2d6bc24d8a067"
    attributes = listOf<TargetGroupAttribute>(
        TargetGroupAttribute {
            key = "deregistration_delay.timeout_seconds"
            value = "600"
        }            
    )
}