`Project Method: PlugInRegistration   `Call On Startup to get the key that matches the current 4D environment   `And register the plugin with the returned key   `Syntax:   `C_TEXT($key)   `C_LONGINT($result)   `$key:=PlugInRegistration ("My key 1";"My key 2"; … ; "My key n")   `$result:=$XX_Register($key) C_TEXT(${1})  `All your license keys for the plugin C_TEXT($0)  `The key that matches the current setup C_LONGINT($serialKey;$connectedUsers;$maxUsers;$loop) C_STRING(80;$currentUser) C_STRING(80;$companyName) GET SERIAL INFORMATION($serialKey;$currentUser;$companyName;$connectedUsers;$maxUsers)  `only the serial key matters here $0:="No key received for "+String($serialKey)  `return an error message with the current 4D Serial For ($loop;1;Count parameters)  `test all keys until we get the good one         If (Position(String($serialKey);${$loop})>0)   `the 4D serial number is part of the plugin registration key                 $0:=${$loop}  `return the proper key                 $loop:=Count parameters  `no need to pursue         End if End for