1**To list the current CAs for a group** 2 3The following ``list-group-certificate-authorities`` example lists the current certificate authorities (CAs) for the specified Greengrass group. :: 4 5 aws greengrass list-group-certificate-authorities \ 6 --group-id "1013db12-8b58-45ff-acc7-704248f66731" 7 8Output:: 9 10 { 11 "GroupCertificateAuthorities": [ 12 { 13 "GroupCertificateAuthorityArn": "arn:aws:greengrass:us-west-2:123456789012:/greengrass/groups/1013db12-8b58-45ff-acc7-704248f66731/certificateauthorities/f0430e1736ea8ed30cc5d5de9af67a7e3586bad9ae4d89c2a44163f65fdd8cf6", 14 "GroupCertificateAuthorityId": "f0430e1736ea8ed30cc5d5de9af67a7e3586bad9ae4d89c2a44163f65fdd8cf6" 15 } 16 ] 17 } 18