Approval.

pt/process_types.php

@@ -12,3 +12,4 @@ $process_types['construction'] = 'Construction measure';
 $process_types['pest_control_campaign'] = 'Pest control campaign';
 $process_types['pr_campaign'] = 'PR campaign';
 $process_types['relocation'] = 'Relocation';
+$process_types['discussion'] = 'Discussion';