**To get a value history for a parameter** The following ``get-parameter-history`` example lists the history of changes for the specified parameter, including its value. :: aws ssm get-parameter-history \ --name "MyStringParameter" Output:: { "Parameters": [ { "Name": "MyStringParameter", "Type": "String", "LastModifiedDate": 1582154711.976, "LastModifiedUser": "arn:aws:iam::111222333444:user/Mary-Major", "Description": "This is the first version of my String parameter", "Value": "Veni", "Version": 1, "Labels": [], "Tier": "Standard", "Policies": [] }, { "Name": "MyStringParameter", "Type": "String", "LastModifiedDate": 1582156093.471, "LastModifiedUser": "arn:aws:iam::111222333444:user/Mary-Major", "Description": "This is the second version of my String parameter", "Value": "Vidi", "Version": 2, "Labels": [], "Tier": "Standard", "Policies": [] }, { "Name": "MyStringParameter", "Type": "String", "LastModifiedDate": 1582156117.545, "LastModifiedUser": "arn:aws:iam::111222333444:user/Mary-Major", "Description": "This is the third version of my String parameter", "Value": "Vici", "Version": 3, "Labels": [], "Tier": "Standard", "Policies": [] } ] } For more information, see `Working with parameter versions <https://docs.aws.amazon.com/systems-manager/latest/userguide/sysman-paramstore-versions.html>`__ in the *AWS Systems Manager User Guide*.