Creating an External Reference
To insert and create an external reference in a diagram, see Adding an External Reference to a Diagram.To create an external reference connected to an object:
1. Open the properties page of the object.
2. Select General > Documents.
3. In the References section, click 
.
.Alternatively, to create an external reference from the diagram, click the External Reference icon in the Insert toolbar. In the Add External Reference dialog box, enter a Name for the external reference and click Create.The Creation of External Reference dialog box appears.
4. (Optional) Enter the Name of the external reference.
5. (Optional) In the Predefined address field, click:
• the drop-down menu arrow 
to select a predefined address.
to select a predefined address.
If the URL address of the page that you want to access has been predefined, it is recommended that you select this folder when creating the external reference• arrow 
to create a predefined address.
to create a predefined address.To create a predefined address, see Predefining a URL address.• indicate complements of the URL address that will obtain the desired page.
6. Click Finish.