This copies the data properties to entities, metadata and text content. It's helpful when creating unified labels.
If you have 2 sources with the same data but the properties are named differently. Source A has a property called 'Invoice Number'. Source B has one called 'Invoice No'. Map them both to one entity called 'Invoice Number'.
Enter the model ID to read the value from in Data Model ID.
Enter the attribute to read the value of in Data Attribute
Select an entity from the Entities to Populate dropdown.