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Category
When creating a data stream, you must select a category or type of data found in that data stream.
The three data categories are: Profile, Engagement, and Other.
Profile
Select Profile if your dataset corresponds to:
- A list of individuals with identifiers such as consumer IDs, email addresses, or phone numbers
- A list of businesses or accounts with account IDs
- A list of employees or any other population that you want to segment on, or use as a segment’s starting population
Use Profile data streams for data about an entity you want to segment, unify, or enrich. Entities include people (consumers and employees) and non-human things (vehicles, devices, and loyalty cards) when they are the primary object of interest.
Engagement
Select the Engagement category if your dataset is time-series oriented. When you set the data stream category to Engagement, you must define the event time using a Date or DateTime typed field from your source schema. When you select the Engagement category, the Event Time Field dropdown appears in the UI.
Other
Select the Other category if your dataset is related to Profile and Engagement but isn’t intended to be the primary entity for segmentation or unification. This category is typically used for reference data that provides descriptive attributes for Profile or Engagement records.
Data Model Object Categories
View the categories of data model objects (DMOs) on the Data Model tab in Data Cloud.
DMOs don’t have a first-class concept of category. Instead, a DMO inherits its category from the first data lake object (DLO) mapped to it. You can create subsequent mappings between these categories.
- Profile DLOs can map to Profile DMOs or Other DMOs but not to Engagement DMOs.
- Engagement DLOs can map only to Engagement DMOs.
- Other DLOs can map to Profile DMOs or Other DMOs but not to Engagement DMOs.
In the field-mapping canvas, only the DMOs that are compatible with the DLO category are available for selection.

