name : list-container-instances.rst **To list the container instances in a cluster** The following ``list-container-instances`` example lists all of the available container instances in a cluster. :: aws ecs list-container-instances --cluster MyCluster Output:: { "containerInstanceArns": [ "arn:aws:ecs:us-west-2:123456789012:container-instance/MyCluster/a1b2c3d4-5678-90ab-cdef-11111EXAMPLE", "arn:aws:ecs:us-west-2:123456789012:container-instance/MyCluster/a1b2c3d4-5678-90ab-cdef-22222EXAMPLE" ] } For more information, see `Amazon ECS Container Instances <https://docs.aws.amazon.com/AmazonECS/latest/developerguide/ECS_instances.html>`_ in the *Amazon ECS Developer Guide*.