For what it's worth, I had this same issue and had to contact Adobe Support. After I contacted them, all of a sudden the DateFormat feature worked. 

 Garima - here's the following I got from Adobe Support. It's screen shots that may help you when defining the collection.To list out values of the field elements within the collection section of you corresponding rtevent, such as the product names, you’ll want to configure it differently. See the p...

Hello,  I'm trying to create a Dynamic Report that will contain 15+ Deliveries. I'm having understanding how to get them all under one report in Delivery Summary, without searching through all the reports and trying to select them individually. Anyone have any insight into this method?

Hello,  I'm trying to use personalization in the Transactional Msg template. I've define my fields in the Event.  I then try to use the fields in the Transactional Msg, but they come back as 'undefined' in the Preview. When I try to use Postman and populate the fields in the ctx, the fields still re...

I figured it out. I found a post in Experience League that guided me through it. However, this needs to be mentioned in Adobe documentation: "Problem with aggregate function in ACS"https://experienceleaguecommunities.adobe.com/t5/adobe-campaign-standard/problem-with-aggregate-function-in-acs/qaq-p/2...

@ mmbb110 - please list out the question you have regarding POST HEADER. I can guide you.

I am BEYOND frustrated with ACS. All I want to do is pull the @domain from my recipient table and provide a count.  I'm pulling a query, adding the @domain as Additional Date. I'm then running the Query into an Enrichment and when I try to take an Aggregate, I get the same message - "Must be GROUP B...

@mmbb110 We found a solution. There is some JavaScript we found in the documentation that our vendor will use (https://www.adobe.io/authentication/auth-methods.html#!AdobeDocs/adobeio-auth/master/JWT/JWT.md#creating-a-json-web-token). From the documentation - he recreated the Public and Private Key....

Yes I was. Unfortunately - having issue with the 3rd party in getting them to understand how to implement the process. They are trying to use the Java Script process outline in some documentation I found, and they're getting an Error Response Code while generating the access token with the JWT token...

Hello,  I have a situation where a 3rd Party Vendor is in charge of my clients Website. I set up an Order Confirmation and Password Reset Event for Transactional Messaging in ACS. The 3rd party vendor will be providing the data identified in the Event that populates the ctx. Here's what I've done so...