## 4.2.13.2.3.1  Business User Changes - Read
Technical name: APS\_IAM\_API\_BUSER\_CDOC\_0001\_IWSG
This service enables you to read the change documents of business users.
This service is published on the SAP Business Accelerator Hub. For more information about APIs, see the Related Information section.
## Service Structure
## Service Header (optional)
The service header contains information about the service.
## Entities
The entities contain the service's business data.
| Entity                    | Description                                                                                                                                                              | Necessity   |
|---------------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------|-------------|
| BusinessUserID            | Business User ID                                                                                                                                                         | Optional    |
| ChangedOn                 | Change on Date/Time                                                                                                                                                      | Optional    |
| ChangeCategory            | Category of change The following values are available • GE = General changes to the busi- ness user attributes, such as the description • BR = Business role assignments | Optional    |
| ChangeCategoryText        | Category of change description (such as Business catalog added )                                                                                                         | Optional    |
| Attribute                 | Nameof changed attribute                                                                                                                                                 | Optional    |
| ValueChangedFrom          | Old value                                                                                                                                                                | Optional    |
| ValueChangedTo            | New value                                                                                                                                                                | Optional    |
| ChangedByUserName         | Changed by user identified by user name                                                                                                                                  | Optional    |
| ChangedByUserID           | Changed by user identified by user ID                                                                                                                                    | Optional    |
| ChangedByUserEmailAddress | Changed by user identified by email ad- dress                                                                                                                            | Optional    |
| ChangedByGlobalUserID     | Changed by user identified by Global User ID                                                                                                                             | Optional    |
| Action                    | Action                                                                                                                                                                   | Optional    |
## Service Response
The details of an API response are according to the operation types that are supported. For more information, see Operation for Business User Changes - Read [page 1003].
|   Entity | Description   |
|----------|---------------|
|      200 | OK            |
|   Entity | Description   |
|----------|---------------|
|      400 | Bad Request   |
|      403 | Forbidden     |
## Related Information
## APIs on SAP Business Accelerator Hub
Communication Management [page 2707]