function add(id, filename, fileType)
%ADD Add a file to the current MULTI(R) project.
% ADD(id,FILE) - Use this method to add a file to the active MULTI project.
% The file must exist and is limited to file types supported by MULTI
% projects. The file may be defined with a full directory path.
% Otherwise, it must reside in the MULTI working directory or on the MATLAB
% Supported Filetypes for ADD
% C/C++ source files : *.cpp, *.c, *.cc, *.cxx or *.sa
% Asm source files : *.a*, *.s*
% Object and Library files: *.o*, *.lib
% Linker Command files : *.ld
% See also GHSMULTI/REMOVE, GHSMULTI/OPEN, GHSMULTI/CD, GHSMULTI/ACTIVATE.
% Copyright 2012 The MathWorks, Inc.