Hello, I need help with an example of how to implement a plugin that creates an entry in a menubar

[Juan Antonio Olintonatiuh Betanconurt Zuñiga]

Hello, I need help with an example of how to implement a plugin that creates an entry in a menubar I read the man pages, and i make work  the conosole example, but  I can not create an entry in the menu, i use plugin maker.