Returns the value of the given channel varible.
Since Asterisk 1.2 you can also use this command to use custom Asterisk functions. Syntax is "func(args)".
Returns 0 if the variable is not set. Returns 1 if the variable is set and returns the variable in parenthesis.
Example return code: 200 result=1 (testvariable)

public class GetVariableCommand : AGICommand

Public Class GetVariableCommand
	Inherits AGICommand

public ref class GetVariableCommand : public AGICommand

type GetVariableCommand =  
    class
        inherit AGICommand
    end