Explore XDM resources in the UI

In Adobe Experience Platform, all Experience Data Model (XDM) resources are stored in the Schema Library, including standard resources provided by Adobe and custom resources defined by your organization. In the Experience Platform UI, you can view the structure and fields of any existing schema, class, schema field group, or data type in the Schema Library. This is especially useful when planning and preparing for data ingestion, as the UI provides information on the expected data types and use cases of each field provided by these XDM resources.

This tutorial covers the steps for exploring existing schemas, classes, field groups, and data types in the Experience Platform UI.

Look up an XDM resource

In the Platform UI, select Schemas in the left navigation. The Schemas workspace provides a Browse tab to explore all existing XDM resources in your organization, along with additional dedicated tabs for exploring Classes, Field groups, and Data types specifically.

On the Browse tab, you can use the filter icon (Filter Icon Image) to reveal controls in the left rail to narrow down listed results.

For example, to filter the list to only show standard data types provided by Adobe, select Datatype and Adobe under the Type and Owner sections, respectively.

The Included in Profile toggle allows you to filter results to show only resources that are used in schemas that have been enabled for use in Real-time Customer Profile.

You can also use the search bar to narrow down results further. When you search for a term, the top items represent resources whose names match the search query. Below these items, under Standard Fields, any resources containing fields that match the query will be listed. This allows you to search for XDM resources based on the type of data they contain, without having to know the name of the resource beforehand.

The resources displayed in search results are ordered first by title matches, then by description matches. In turn, the more word matches in either of these categories, the higher the resource appears in the list.


For standard XDM resources, the search feature only returns individual fields that contain an xdm namespace. Fields that are under a different namespace (such as your tenant ID) are only returned if they are contained in a custom resource.

When you have found the resource you want to explore, select its name from the list to view its structure in the canvas.

Explore an XDM resource in the canvas

Once you select a resource, its structure opens in the canvas.

All object-type fields containing sub-properties are collapsed by default when they first appear in the canvas. To show the sub-properties of any field, select the icon next to its name.

System-generated fields

Some field names are prepended with an underscore, such as _repo and _id. These represent placeholders for fields that the system will automatically generate and assign as data is ingested.

As such, most of these fields should be excluded from the structure of your data when ingesting into Platform. The main exception to this rule is the _{TENANT_ID} field, which all XDM fields created under your organization must be namespaced under.

Data types

For each field shown in the canvas, its corresponding data type is shown next to its name, indicating at a glance the type of data that field expects for ingestion.

Any data type that is appended with square brackets ([]) represents an array of that particular data type. For example, a data type of String[] indicates that the field expects an array of string values. A data type of Payment Item[] indicates an array of objects that conform to the Payment Item data type.

If an array field is based on an object type, you can select its icon in the canvas to show the expected attributes for each array item.

Field properties

When you select the name of any field in the canvas, the right rail updates to show details about that field under Field properties. This can include a description of the field’s intended use case, default values, patterns, formats, whether or not the field is required, and more.

If the field you are inspecting is an enum field, the right rail will also display the acceptable values the field expects to receive.

Identity fields

When inspecting schemas that contain identity fields, these fields are listed in the left rail under the class or field group that provides them to the schema. Select the identity field name in the left rail to reveal the field in the canvas, regardless of how deeply it is nested.

Identity fields are highlighted in the canvas with a fingerprint icon (Fingerprint Icon Image). If you select the identity field’s name, you can view additional information such as the identity namespace and whether or not the field is the primary identity for the schema.


See the guide on defining identity fields for more information on identity fields and their relationship with downstream Platform services.

Relationship fields

If you are inspecting a schema that contains a relationship field, the field will be listed in the left rail under Relationships. Select the relationship field name in the left rail to reveal the field in the canvas, regardless of how deeply it is nested.

Relationship fields are also uniquely highlighted in the canvas, showing the name of the destination schema that the field references. If you select the relationship field’s name, you can view the identity namespace of the destination schema’s primary identity in the right rail.


See the tutorial on creating a relationship in the UI for more information on the use of relationships in XDM schemas.

Next steps

This document covered how to explore existing XDM resources in the Experience Platform UI. For more information on the different features of the Schemas workspace and Schema Editor, see the Schemas workspace overview.

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