Saving a string variable in a root file

Newbie
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2

Try searching for examples on this forum.
E.g. String in a ROOT file

root [0] TNamed n("myname","mystring"); TFile f("junk.root","recreate"); n.Write();
root [1] .ls
TFile**         junk.root
 TFile*         junk.root
  KEY: TNamed   myname;1        mystring
root [2] f.Get("myname")
(TObject *) 0x55c8b4614420
root [3] myname->GetTitle()
(const char *) "mystring"