**To replace a subscriber for a Cost and Usage budget** This example replaces the subscriber for a Cost and Usage budget. Command:: aws budgets update-subscriber --account-id 111122223333 --budget-name "Example Budget" --notification NotificationType=ACTUAL,ComparisonOperator=GREATER_THAN,Threshold=80,ThresholdType=PERCENTAGE --old-subscriber SubscriptionType=EMAIL,Address=example@example.com --new-subscriber SubscriptionType=EMAIL,Address=example2@example.com