Tracked change item.
| Name | Type | Description | Available Version |
|---|---|---|---|
| fieldName | String | The name of the field that was updated. | 28.0 |
| newValue | String | The new value of the field or null if the field length is long. | 28.0 |
| oldValue | String | The old value of the field or null if the field length is long. | 28.0 |