Which method would facilitate this solution?

Northern Trail Outfitters injects outcomes journey B based upon email engagement in journey A.

Which method would facilitate this solution?

A. In Automation Studio, use verification activity to verify engagement or email in journey A: Qeuery engagement data extension for journey B injection.

B. In journey A, engagement split followed by Update Contact Activity to Boolean field on an engagement data extension: Query engagement data extension for journey B injection.

C. In Automation Studio, query activity engagement an journey system data view for email send is journey A; Use resultant data extension for journey B Injection.

D. In journey A, engagement split email send. In Automation Studio, query_ journey Activity data view for the Engagement Split Result Boolean field: Use resultant data extension for journey B injection.

Answer: B

Explanation:

To inject contacts into journey B based on email engagement in journey A, Northern Trail Outfitters should use an engagement split followed by an update contact activity to a Boolean field on an engagement data extension in journey A, and query the engagement data extension for journey B injection. An engagement split is an activity that allows marketers to route contacts based on their engagement with email messages, such as opens or clicks. An update contact activity is an activity that allows marketers to update contact attributes or data extension fields based on journey data. A query activity is an activity that allows marketers to retrieve data from data extensions using SQL queries.

References:

https://help.salesforce.com/s/articleView?id=sf.mc_jb_engagement_split.htm&type=5

https://help.salesforce.com/s/articleView?id=sf.mc_jb_update_contact_activity.htm&type=5

https://help.salesforce.com/s/articleView?id=sf.mc_as_query_activity.htm&type=5