name : describe-id-format.rst **Example 1: To describe the ID format of a resource** The following ``describe-id-format`` example describes the ID format for security groups. :: aws ec2 describe-id-format \ --resource security-group In the following example output, the ``Deadline`` value indicates that the deadline for this resource type to permanently switch from the short ID format to the long ID format expired at 00:00 UTC on August 15, 2018. :: { "Statuses": [ { "Deadline": "2018-08-15T00:00:00.000Z", "Resource": "security-group", "UseLongIds": true } ] } **Example 2: To describe the ID format for all resources** The following ``describe-id-format`` example describes the ID format for all resource types. All resource types that supported the short ID format were switched to use the long ID format. :: aws ec2 describe-id-format