Technique: Template Variables
This template is a teaching tool that demonstrates how prompt variables work. Variables are placeholders wrapped in curly braces like {topic} that get replaced with actual values before the prompt is sent to the AI. After you click “Run Prompt,” look at the “Complete Prompt Sent” section below to see exactly how your variables were substituted into the final prompt.
Template variables are the building blocks of scalable AI applications. Instead of writing unique prompts every time, you create a reusable template and swap in different values. This is the same concept used in email merge fields, programming string interpolation, and enterprise AI tool configurations.
Try this: Fill in all five variables below, run the prompt, then check the “Complete Prompt Sent” section to see the before-and-after transformation. This is exactly how AI-powered tools work behind the scenes.