Create a Trigger Event

[ASSY, SOSTHENE]

Hi,
 
I've never create a trigger event. I'm trying to create one associate =
with
the OBJECT APPR_DOC.
I need your experience.
 
TY
 
=20
Sosthene Assy
African Development Bank  (TRA) Tunis
Angle des 3 rues (Rue du Ghana, Rue H=E9di Nouira,=20
Rue Pierre de Coubertin)
B.P. 323, 1002 Tunis Belv=E9d=E8re, Tunisia
 
Tel:  (216)     71 103 083=20
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E-mail: s.assy at afdb.org
        sostheneassy at hotmail.com
 
ADB Website:http://www.afdb.org