self ,a built-in Tcl command, in TclOO provides facilities for introspecting a method.
Provides introspection about the currently executing TclOO method. If subcommand is omitted, returns the current name of the object (respecting any renames of it), just as in self object. See http://www.tcl.tk/man/tcl8.6/TclCmd/self.htm for details. Supported subcommands are: