My client has several brands, and we're putting all our eggs into a single basket (that is, a shared DE at the Parent MID)

With the Shared Data Extension at the Parent level, we run Queries to update each individual child BU mailing Data Extension. We'd like to create a sign-up page for each Child Business Unit that writes to the Shared Parent Data Extension and then triggers a Welcome for that brand.

While I can trigger from the Parent MID, the FROM address and subdomains are for the Parent, and not the child BU. That said, is it possible to trigger a Welcome or a Journey when the subscribe happens? I know I can schedule an Automation to move the data and start the trigger, but I'd like it to be triggered.


  • Is they shared DE a sendable one?
    – Maneesh
    Commented Feb 24, 2017 at 11:14
  • Yes, absolutely it is Commented Feb 24, 2017 at 14:11
  • Ok great! Then I guess you can use this DE as entry event of the Journey and use decision activity to send emails according the brand. Does that help ?
    – Maneesh
    Commented Feb 24, 2017 at 14:17
  • I tried that, but I can't seem to trigger the email from the child BU. This is where I'm stuck. The parent BU has a different subdomain and branding -- each child BU has the appropriate branding elements. This is what I'm trying to figure out. Is there a way to start a journey to move the members to the child BUs (based on data within their user profile) and then trigger a welcome? Commented Feb 24, 2017 at 14:18
  • Where is your journey? In child BU or Parent?
    – Maneesh
    Commented Feb 24, 2017 at 14:20

1 Answer 1


I decided to use UPSERT DE AMPscript, as this accomplishes exactly what I need in my use-case. That is, deploying from the CHILD and then updating the data in the ENT.DE

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