**To pause running until a load balancer exists** The following ``wait load-balancer-exists`` command pauses and continues only after it confirms that the specified load balancer exists. aws elbv2 wait load-balancer-exists \ --load-balancer-arns arn:aws:elasticloadbalancing:us-west-2:123456789012:loadbalancer/app/my-load-balancer/50dc6c495c0c9188 This command produces no output.