There are few steps to create snippet in Sublime 3. Step-1: Open sublime and select menu. Tools -> Developer -> New Snippet... Step-2: After select "New Snippet..." menu, below section will be display. Now, We will replace our snippet code with only 3 number line. Step-3: Here I have replaced sample snippet code for php script. Step-4: Write your short-code on line number 8. And now change on line number 10 I have write source.php for php script. If you want apply for other script language, you can set as per script. Step-5: Here is other snipplet example for javascript. Step-6: Save the file after all changes. Now, you can see "pre" snippet in suggested listing.