I ran a journey where I used a decision split to separate the audience into 4 branches and then sent each branch the same series of emails with varying wait times in between sends. Now I want to measure which branch performed better in terms of opens/clicks/goal achievement.
I can locate the Triggered Send Name and Triggered Send External Key for each email activity by viewing the activity summary in Journey Builder, but I can't find any of those values in any of the fields when I query the _JourneyActivity data view. I also can't figure out which version ID goes to which version number.
In short, I can't figure out how to query data views for activities I can see in Journey Builder. What's the most efficient way to query data on a specific email activity in a specific version of a journey?