Marks the specified alert for deletion. An alert that has been marked for deletion is removed from Alert Center after 30 days. Marking an alert for deletion has no effect on an alert which has already been marked for deletion. Attempting to mark a nonexistent alert for deletion results in a NOT_FOUND error.
Optional. The unique identifier of the Google Workspace account of the customer the alert is associated with. The customerId must have the initial "C" stripped (for example, 046psxkn). Inferred from the caller identity if not provided. Find your customer ID.