Hi, \def\scrn_attachment_use[#tag][#title][#name][#file]% {\iffourthargument \registerattachment[#tag][title=#title,name=#name,file=#file]% \else\ifthirdargument \registerattachment[#tag][title=#title,name=#title,file=#name]% \else\ifsecondargument \registerattachment[#tag][title=#title,name=#title,file=#title]% \else - \registerattachment[#tag][title=#title,name=#tag,file=#tag]% + \registerattachment[#tag][title=#tag,name=#tag,file=#tag]% \fi\fi\fi} Wolfgang