The Amazon Resource Name (ARN) that was returned when you called the CreateCertificateAuthority action. This must be of the form:
Use this parameter when paginating results to specify the maximum number of items to return in the response. If additional items exist beyond the number you specify, the NextToken element is sent in the response. Use this NextToken value in a subsequent request to retrieve additional items.
Use this parameter when paginating results in a subsequent request after you receive a response with truncated results. Set it to the value of NextToken from the response you just received.