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Create a Data Relationship in Marketing Cloud Engagement
Create a data relationship between data extensions in Email Studio.
Before you start this procedure, you must create the data extensions that are involved in the relationship. After you complete this procedure and populate the data extensions with data, you can include information from a data extension in a message to subscribers.
- Click .
- In the Properties section, provide a name, description, and external key for the data relationship. The external key identifies the data relationship in API calls.
- In the Fields section, use the <select object> list boxes to identify the data extensions involved in the data relationship, and use the <select field> list boxes to identify the data extension fields involved in the relationship.
- If more than one column in each data extension is involved, click Add to display another set of <select field> list boxes.
- Save your changes.

