[Mike861]

https://sampwiki.blast.hk/wiki/CreatePickup
https://sampwiki.blast.hk/wiki/OnPlayerPickUpPickup

Under OnPlayerPickUpPickup where the pickupid is the one of the health ones:

Code:

new playermoney = GetPlayerMoney(playerid);
if(playermoney < 1200)
{
   //do what you want
   return 0;
}