aws swf register-domain
Registers a new domain. AWS CLI reference
4 options Its page in the AWS CLI reference
Options
--descriptionA text description of the domain.--nameName of the domain to register.--tagsTags to be added when registering a domain.--workflow-execution-retention-period-in-daysThe duration (in days) that records and histories of workflow executions on the domain should be kept by the service.