Name of the geometry (content). Name of the content file in pool directory, File extension "pkg".
FileName(isCreaOptNotSet)=?_CALCNAME.start(0).Format("<GENNAME>").RepChar("?<>\\%$~^'\" /@-=,+().|][;:!*#&","_").RepRegExp("^_","",1)
.RepSeq("__,_").MaxLen(128).add(".pkg").value()
<GENNAME>: The file name contains the Standard Name (NB).
RepChar("?<>\\%$~^'\" /@-=,+().|][;:!*#&","_").RepRegExp("^_","",1).RepSeq("__,_"): Replace denied characters
MaxLen(128): Maximal length of file name