Все решили:
X++:
void TXTFile()
{
#define.ExampleOpenMode("w")
Io fileIo = null;
str path;
str rec;
FileIoPermission perm;
ProdDataExchangeWithMes_KBK prodDataExchangeWithMes;
;
prodDataExchangeWithMes=ProdDataExchangeWithMes_KBK::find();
path = SysTreeNode::duplicatePathDelimiters(prodDataExchangeWithMes.Customers+'\\test.txt');
perm = new FileIoPermission(path, #ExampleOpenMode);
if (perm == null)
{
return;
}
perm.assert();
fileIo = new TextIo(path, #ExampleOpenMode);
rec = "1;2;3;4;5;";
fileIo.write(rec);
}