# Using content assist

In this section you will learn how to use Tcl content assist, an editor feature which makes code writing a little faster and easier.

1. First, create a new Tcl file in an Tcl project
2. Copy and paste the following code to that file using Tcl editor:

   `#Code assist example
   proc printSum {arg0 arg1} {
   puts [expr $arg0+$arg1]
   }`

3. Put the cursor after the end of the code fragment and press Ctrl + Space .

4. The first line is selected, now just press Enter and type some arguments.

   That's it!

Tcl editor