Characters in code marked as comments are not interpreted on runtime and serve to provide information about the code.

To comment out a single like use the // characters: anything following the // characters until the end of the line is considered a comment.

uiCreateBook::createBook() //This is a comment.

//The book is defined as a shared record.

To comment out multiple lines, mark the start of the comment with the /* symbols and finish it with */

/* Multiline
   code
   comment */