Within your Veeqo account, you will have numerous printing templates available for you to use. In these templates, you have the option to use expressions.
Expressions are a programming language that allows to write mathematical and logical expression to manipulate the value displayed.
To navigate to the Expressions tab:
Go to Printing Templates
Click into the template you wish to edit
Click on the Help tab
Click on Expression functions
From here you will be able to view the list of supported expression functions that are available for you to use.
Example:
If you wanted to display the product title in an uppercase format. Then you would use the following expression:
{% uppercase({product_name}) %}