Attachment

What is the EXACT trigger to attach wepean, wing, etc???

Special Effect - Create special effect on unit

Attachment points:
overhead (floats over the unit's head, but doesn't sway with the head as it animates)
head (sways with the unit's animation)
chest
origin (usually at the base of a unit's feet)
hand
foot
weapon (for heroes)
sprite (for buildings)
medium (for buildings)
large (for buildings)

Attachment Point Modifiers:
left
right
mount (for mounted units)
rear (for quadrupeds)
first (for buildings)
second (for buildings)
third (for buildings)
fourth (for buildings)
fifth (for buildings)
sixth (for buildings)
rallypoint (for buildings)

yeah but the do i write trigger like this

Special Effect- Create Special Effect On Unit

(if its for the right hand)

Create a special effect on the Right Hand of (ex: Demon Hunter 00004 <gen>) using (ex: Sword1.mdx)