public CallbackVariableHeaderBuilder AddCallbackVariable(
	string key,
	string value
)

Public Function AddCallbackVariable ( 
	key As String,
	value As String
) As CallbackVariableHeaderBuilder

public:
CallbackVariableHeaderBuilder^ AddCallbackVariable(
	String^ key, 
	String^ value
)

member AddCallbackVariable : 
        key : string * 
        value : string -> CallbackVariableHeaderBuilder