[Haydz]

i'll give you an example

You can find pickup types here https://sampwiki.blast.hk/wiki/PickupTypes
and object ids here https://sampwiki.blast.hk/wiki/Model_ID

pawn Код:

//top of the script
new pickupname;

pickupname = CreatePickup(objectid, typeofpickup,pickupx, pickupy, pickupz, -1);

public OnPlayerPickUpPickup(playerid,pickupid)
{
     if(pickupid == pickupname)
     {
        //add your ShowPlayerDialog here
     }
     return 1;
}