Here’s a good resource for Shopify’s Liquid template language.

A few notes on using the Liquid templating language.

Examples:

Hello {{ 'tobi' | upcase }}

Result: Hello TOBI

Hello tobi has {{ 'tobi' | size }} letters!

Result: Hello tobi has 4 letters!

Hello {{ '*tobi*' | textilize | upcase }}

Result: Hello TOBI

Hello {{ 'now' | date: "%Y %h" }}

Result: Hello 2017 Mar