**To update a document association** This example updates an association with a new document version. Command:: aws ssm update-association --association-id "8dfe3659-4309-493a-8755-0123456789ab" --document-version "\$LATEST" Output:: { "AssociationDescription": { "Name": "AWS-UpdateSSMAgent", "AssociationVersion": "2", "Date": 1550508093.293, "LastUpdateAssociationDate": 1550508106.596, "Overview": { "Status": "Pending", "DetailedStatus": "Creating" }, "DocumentVersion": "$LATEST", "AssociationId": "8dfe3659-4309-493a-8755-0123456789ab", "Targets": [ { "Key": "tag:Name", "Values": [ "Linux" ] } ], "LastExecutionDate": 1550508094.879, "LastSuccessfulExecutionDate": 1550508094.879 } } **To update the schedule expression of an association** This example updates the schedule expression for the specified association. Command:: aws ssm update-association --association-id "8dfe3659-4309-493a-8755-0123456789ab" --schedule-expression "cron(0 0 0/4 1/1 * ? *)"