**To retrieve keys and values for a cost allocation tag** This example retrieves all cost allocation tags with a key of "Project" and a value that contains "secretProject". Command:: aws ce get-tags --search-string secretProject --time-period Start=2017-01-01,End=2017-05-18 --tag-key Project Output:: { "ReturnSize": 2, "Tags": [ "secretProject1", "secretProject2" ], "TotalSize": 2 }