**To enable the longer ID format for a resource** The following ``modify-id-format`` example enables the longer ID format for the ``instance`` resource type. :: aws ec2 modify-id-format \ --resource instance \ --use-long-ids **To disable the longer ID format for a resource** The following ``modify-id-format`` example disables the longer ID format for the ``instance`` resource type. :: aws ec2 modify-id-format \ --resource instance \ --no-use-long-ids The following ``modify-id-format`` example enables the longer ID format for all supported resource types that are within their opt-in period. :: aws ec2 modify-id-format \ --resource all-current \ --use-long-ids