added get_pdfEntries()

lam/lib/baseModule.inc

@@ -795,6 +795,15 @@ abstract class baseModule {
 		return ((isset($this->meta['PDF_fields'])) ? $this->meta['PDF_fields'] : array());
 	}
 
+	/**
+	* Returns the PDF entries for this module.
+	*
+	* @return array list of possible PDF entries
+	*/
+	public function get_pdfEntries() {
+		return array();
+	}
+
 	/**
 	* Returns an array containing all input columns for the file upload.
 	*