[Forum FAQ] How do I send an email to users when the data in the report have been changed in Reporting Services?

Question

Introduction
There is a scenario that the data in the report changes infrequently, so the users want to be informed and get the most updated data once the data changes. By default, report server always run the report with the most recent data. Is there a way that we
can subscribe the report, so that we can send an email to users when the data in the report has been changed?
Solution
To achieve this requirement, we can create a subscription for the report, then create a trigger in the table which including the report data. When this table has data insert, update or delete, it will be triggered and execute the subscription to send email
to users.
In the Report Manager, create a subscription for the report and make it only execute one time.
When we create a subscription, a corresponding SQL Agent job will be created. Then we can use the query below to find out the job based on ScheduleId:
-- List all SSRS subscriptions
USE [ReportServer];  -- You may change the database name.
GO 
SELECT USR.UserName AS SubscriptionOwner
      ,SUB.ModifiedDate
      ,SUB.[Description]
      ,SUB.EventType
      ,SUB.DeliveryExtension
      ,SUB.LastStatus
      ,SUB.LastRunTime
      ,SCH.NextRunTime
      ,SCH.Name AS ScheduleName   
          ,RS.ScheduleId
      ,CAT.[Path] AS ReportPath
      ,CAT.[Description] AS ReportDescription
FROM dbo.Subscriptions AS SUB
     INNER JOIN dbo.Users AS USR
         ON SUB.OwnerID = USR.UserID
     INNER JOIN dbo.[Catalog] AS CAT
         ON SUB.Report_OID = CAT.ItemID
     INNER JOIN dbo.ReportSchedule AS RS
         ON SUB.Report_OID = RS.ReportID
            AND SUB.SubscriptionID = RS.SubscriptionID
     INNER JOIN dbo.Schedule AS SCH
         ON RS.ScheduleID = SCH.ScheduleID
ORDER BY USR.UserName
         ,SUB.ModifiedDate ;
Create a trigger in the table which including the report data.
CREATE TRIGGER reminder
ON test.dbo.users
AFTER INSERT, UPDATE, DELETE
AS
exec [ReportServer].dbo.AddEvent @EventType='TimedSubscription', @EventData='b64ce7ec-d598-45cd-bbc2-ea202e0c129d'
Please note that the command ‘exec [ReportServer].dbo.AddEvent @EventType='TimedSubscription', @EventData='b64ce7ec-d598-45cd-bbc2-ea202e0c129d'’ is coming from the job properties. We can go to SQL Server Agent Jobs, right-click the corresponding job to open
the Steps, copy the step command, and then paste it to the query.
Then when the user table has data insert, update or delete, the trigger will be triggered and execute the subscription to send email to users.
References:
Subscriptions and Delivery (Reporting Services)
Internal Working of SSRS Subscriptions
SQL Server Agent
Applies to:
Reporting Services 2005
Reporting Services 2008
Reporting Services 2008 R2
Reporting Services 2012
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Answer 1

Thanks,
Is this a supported scenario, or does it use unsupported features?
For example, can we call exec [ReportServer].dbo.AddEvent @EventType='TimedSubscription', @EventData='b64ce7ec-d598-45cd-bbc2-ea202e0c129d'
in a supported way?
Thanks! Josh