---
title: "3.6 Link2DataObject"
---
# Link2DataObject
Makes the connection between the CIDOC CRM and the DataObject ontologies with a single property to make this connection -- L2DO hasValue.
### **Property**
<table>
<tr>
<th>L2DO hasValue</th>
</tr>
<tr>
<td>Property used to link a CIDOC CRM classes to the DataObject classes to validate existing fields</td>
</tr>
<tr>
<td><b>Domain</b>: E1 CRM Entity</td>
</tr>
<tr>
<td><b>Range</b>: DOE1 Data Object</td>
</tr>
<tr>
<td><b>Inverse</b>: -</td>
</tr>
<tr>
<td>
```mermaid
flowchart LR
A["Time-Span001\nE52 Time-Span"]
--P1 is identified by-->
B["Appellation001\nE41 Appellation"]
--L2DO hasValue-->
D["'1999-09-12'\nDOE10 Instant"]
```
</td>
</tr>
</table>