custom weapons and custom vehicles in udk

[alvarofer0020]

hey guys i want to add a custom weapon to udk i have alredy animated and import the model of a weapon from 3ds max to UDK with the ACTOR X plugin but after add it to udk i dont know what i have to do to make it a custom weapon
and i have a car model already animated and imported to udk buti no know how to make it ussable in the udk so please help

[geodav]

follow my tutorials their for UT3 but still work for UDK.
remember use the UDK source code