Problem with command

Hi, 

i can't use the command "Heli.calltome" but i can use command "spawn patrolhelicopter"

if someone can help me pls 

          "Type": "Command",

          "ID": -730335602,

          "Image": "",

          "Title": "",

          "Description": "",

          "Command (%steamid%)": "call.helitome",

          "Kit": "",

          "Plugin": {

            "Hook": "",

            "Plugin Name": "",

            "Amount": 1

and also how do i put a message in the chat when someone buy it ?

Hi, you need to use a command using %steamid%:

"Command (%steamid%)": "call.helitome %steamid%",