Adding Hyperlinks to your Scribus PDF document

Method A

 * go to the PDF toolbar, select PDF Annotation > Link, and draw with it a rectangle above an element (e.g. a text frame) you wish to become a hyperlink


 * right click on the new rectangle and select PDF Options > Annotation Properties from the context menu


 * in the annotation properties dialog, choose External Web-Link as annotation type and insert your URL into the Destination field


 * done!

Method B

 * Open your Scribus document.
 * Click the "OK" button for "Insert PDF fields".
 * Make a box to surround the text and/or graphics from which you want to create a hyperlink.
 * Double click this box, which opens the Field Properties dialogue box.
 * In the Appearance tab, choose "None" for colour of the border (unless you really want a border added).
 * Click on the Action tab.
 * From the Type pull-down menu, choose JavaScript.
 * To the right of the Script box, click Edit.
 * Enter the following: app.launchURL(" http://www.scribus.net/ ", true);
 * Click File/Save and Exit.
 * Click OK.
 * Save your .sla document and export it to PDF format.

If you now open that PDF version in a browser, you will find those text (and/or graphics) areas linkable. The "true" parameter in the JavaScript is important so a new frame (window or tab) is opened for the link. This way your PDF document remains open and available in its original frame.

Variation on Method B
If you want to create a link to an email address, modify the JavaScript above like this:
 * app.launchURL( "mailto:youraddress@yourISP.com", true);

This is dependent on having the preset link to the appropriate email client.