product catalogues, order data, feed data, campaign data, account data and so on.
Perform the following steps to add a Non-Customer Entity category:
Enter a Catalogue Field. As you type, suggestions based on the existing Catalogue Fields appear. You can choose a suggested Catalogue Field or click +Add Catalogue Field to add a new field.
Map the Catalogue Field to its corresponding Source Field. Same as the above behaviour, you can choose a suggested Source Field or click +Add a new Source Field to add a new field.
Choose one of the following as the Data Type:
- String
- Integer
- Double
- Timestamp
- List of String/Integer/Double
Note:You can only map a source field of the data type
List to a catalogue field of the data type List. For example, if the source field is of type List of String, then you can map it to only a List of String in the catalogue.Save the changes.

Note:When Non-Customer Entity (NCE) data is combined with user data using the Join ID, the attribute name in the
activation systems such as Audiences or Symphony is displayed in the following format:
activation systems such as Audiences or Symphony is displayed in the following format:
<Join key name>_feed<source ID>_<NCE field name>For example, if the Join key name is productid, the NCE Source ID is 345 and the NCE field is productcolor, then the attribute name is displayed as shown below:productid_feed_345_productcolor.To know how to create a Non-Customer Entity Data source, refer here.