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Figma Current 2026 workflows • Chapter 27

Variables in Prototypes

Every topic includes a plain-language explanation, exact steps, 10 practical examples, a hands-on example, expected output, common mistake, and practice task.

5 topics50 examples5 hands-on tasks10 Q&A
Practical course

27.1 Set Variable

Set Variable is a practical Figma skill used to move from rough structure toward a consistent, testable, developer-ready interface. The goal is to understand both the tool action and the design decision behind it.

Step by step

  1. Define the design purpose of Set Variable.
  2. Create the smallest useful frame, component, token, prototype, or document needed for the task.
  3. Apply consistent naming and structure so another designer can understand the file.
  4. Test the result in the relevant frame size, interaction state, mode, or prototype.
  5. Document the important decision so developers or teammates know how it should behave.

10 practical examples

  1. Apply Set Variable to a course website and explain the decision you made.
  2. Apply Set Variable to a online store and explain the decision you made.
  3. Apply Set Variable to a banking app and explain the decision you made.
  4. Apply Set Variable to a school portal and explain the decision you made.
  5. Apply Set Variable to a clinic booking system and explain the decision you made.
  6. Apply Set Variable to a dashboard and explain the decision you made.
  7. Apply Set Variable to a restaurant site and explain the decision you made.
  8. Apply Set Variable to a mobile app and explain the decision you made.
  9. Apply Set Variable to a creator site and explain the decision you made.
  10. Apply Set Variable to a business landing page and explain the decision you made.

Hands-on example

FIGMA PRACTICE
1. Create a frame named: Set Variable
2. Apply a clear layer/component naming system.
3. Build one default state and one alternate state.
4. Test at mobile and desktop sizes when relevant.
5. Add an annotation explaining the design decision.

Expected output

A clean Figma artifact demonstrating Set Variable, organized well enough for another designer or developer to inspect and understand.

Common mistake: Using Set Variable visually without consistent naming, reusable structure, realistic content, states, or developer handoff information.

Practice exercise

Create a fresh example for Set Variable using a different product, screen, component, or content set. Explain what changed and why.

27.2 Number Variables

Number Variables is a practical Figma skill used to move from rough structure toward a consistent, testable, developer-ready interface. The goal is to understand both the tool action and the design decision behind it.

Step by step

  1. Define the design purpose of Number Variables.
  2. Create the smallest useful frame, component, token, prototype, or document needed for the task.
  3. Apply consistent naming and structure so another designer can understand the file.
  4. Test the result in the relevant frame size, interaction state, mode, or prototype.
  5. Document the important decision so developers or teammates know how it should behave.

10 practical examples

  1. Apply Number Variables to a course website and explain the decision you made.
  2. Apply Number Variables to a online store and explain the decision you made.
  3. Apply Number Variables to a banking app and explain the decision you made.
  4. Apply Number Variables to a school portal and explain the decision you made.
  5. Apply Number Variables to a clinic booking system and explain the decision you made.
  6. Apply Number Variables to a dashboard and explain the decision you made.
  7. Apply Number Variables to a restaurant site and explain the decision you made.
  8. Apply Number Variables to a mobile app and explain the decision you made.
  9. Apply Number Variables to a creator site and explain the decision you made.
  10. Apply Number Variables to a business landing page and explain the decision you made.

Hands-on example

FIGMA PRACTICE
1. Create a frame named: Number Variables
2. Apply a clear layer/component naming system.
3. Build one default state and one alternate state.
4. Test at mobile and desktop sizes when relevant.
5. Add an annotation explaining the design decision.

Expected output

A clean Figma artifact demonstrating Number Variables, organized well enough for another designer or developer to inspect and understand.

Common mistake: Using Number Variables visually without consistent naming, reusable structure, realistic content, states, or developer handoff information.

Practice exercise

Create a fresh example for Number Variables using a different product, screen, component, or content set. Explain what changed and why.

27.3 String Variables

String Variables is a practical Figma skill used to move from rough structure toward a consistent, testable, developer-ready interface. The goal is to understand both the tool action and the design decision behind it.

Step by step

  1. Define the design purpose of String Variables.
  2. Create the smallest useful frame, component, token, prototype, or document needed for the task.
  3. Apply consistent naming and structure so another designer can understand the file.
  4. Test the result in the relevant frame size, interaction state, mode, or prototype.
  5. Document the important decision so developers or teammates know how it should behave.

10 practical examples

  1. Apply String Variables to a course website and explain the decision you made.
  2. Apply String Variables to a online store and explain the decision you made.
  3. Apply String Variables to a banking app and explain the decision you made.
  4. Apply String Variables to a school portal and explain the decision you made.
  5. Apply String Variables to a clinic booking system and explain the decision you made.
  6. Apply String Variables to a dashboard and explain the decision you made.
  7. Apply String Variables to a restaurant site and explain the decision you made.
  8. Apply String Variables to a mobile app and explain the decision you made.
  9. Apply String Variables to a creator site and explain the decision you made.
  10. Apply String Variables to a business landing page and explain the decision you made.

Hands-on example

FIGMA PRACTICE
1. Create a frame named: String Variables
2. Apply a clear layer/component naming system.
3. Build one default state and one alternate state.
4. Test at mobile and desktop sizes when relevant.
5. Add an annotation explaining the design decision.

Expected output

A clean Figma artifact demonstrating String Variables, organized well enough for another designer or developer to inspect and understand.

Common mistake: Using String Variables visually without consistent naming, reusable structure, realistic content, states, or developer handoff information.

Practice exercise

Create a fresh example for String Variables using a different product, screen, component, or content set. Explain what changed and why.

27.4 Boolean Variables

Boolean Variables is a practical Figma skill used to move from rough structure toward a consistent, testable, developer-ready interface. The goal is to understand both the tool action and the design decision behind it.

Step by step

  1. Define the design purpose of Boolean Variables.
  2. Create the smallest useful frame, component, token, prototype, or document needed for the task.
  3. Apply consistent naming and structure so another designer can understand the file.
  4. Test the result in the relevant frame size, interaction state, mode, or prototype.
  5. Document the important decision so developers or teammates know how it should behave.

10 practical examples

  1. Apply Boolean Variables to a course website and explain the decision you made.
  2. Apply Boolean Variables to a online store and explain the decision you made.
  3. Apply Boolean Variables to a banking app and explain the decision you made.
  4. Apply Boolean Variables to a school portal and explain the decision you made.
  5. Apply Boolean Variables to a clinic booking system and explain the decision you made.
  6. Apply Boolean Variables to a dashboard and explain the decision you made.
  7. Apply Boolean Variables to a restaurant site and explain the decision you made.
  8. Apply Boolean Variables to a mobile app and explain the decision you made.
  9. Apply Boolean Variables to a creator site and explain the decision you made.
  10. Apply Boolean Variables to a business landing page and explain the decision you made.

Hands-on example

FIGMA PRACTICE
1. Create a frame named: Boolean Variables
2. Apply a clear layer/component naming system.
3. Build one default state and one alternate state.
4. Test at mobile and desktop sizes when relevant.
5. Add an annotation explaining the design decision.

Expected output

A clean Figma artifact demonstrating Boolean Variables, organized well enough for another designer or developer to inspect and understand.

Common mistake: Using Boolean Variables visually without consistent naming, reusable structure, realistic content, states, or developer handoff information.

Practice exercise

Create a fresh example for Boolean Variables using a different product, screen, component, or content set. Explain what changed and why.

27.5 Variable-Driven UI

Variable-Driven UI is a practical Figma skill used to move from rough structure toward a consistent, testable, developer-ready interface. The goal is to understand both the tool action and the design decision behind it.

Step by step

  1. Define the design purpose of Variable-Driven UI.
  2. Create the smallest useful frame, component, token, prototype, or document needed for the task.
  3. Apply consistent naming and structure so another designer can understand the file.
  4. Test the result in the relevant frame size, interaction state, mode, or prototype.
  5. Document the important decision so developers or teammates know how it should behave.

10 practical examples

  1. Apply Variable-Driven UI to a course website and explain the decision you made.
  2. Apply Variable-Driven UI to a online store and explain the decision you made.
  3. Apply Variable-Driven UI to a banking app and explain the decision you made.
  4. Apply Variable-Driven UI to a school portal and explain the decision you made.
  5. Apply Variable-Driven UI to a clinic booking system and explain the decision you made.
  6. Apply Variable-Driven UI to a dashboard and explain the decision you made.
  7. Apply Variable-Driven UI to a restaurant site and explain the decision you made.
  8. Apply Variable-Driven UI to a mobile app and explain the decision you made.
  9. Apply Variable-Driven UI to a creator site and explain the decision you made.
  10. Apply Variable-Driven UI to a business landing page and explain the decision you made.

Hands-on example

FIGMA PRACTICE
1. Create a frame named: Variable-Driven UI
2. Apply a clear layer/component naming system.
3. Build one default state and one alternate state.
4. Test at mobile and desktop sizes when relevant.
5. Add an annotation explaining the design decision.

Expected output

A clean Figma artifact demonstrating Variable-Driven UI, organized well enough for another designer or developer to inspect and understand.

Common mistake: Using Variable-Driven UI visually without consistent naming, reusable structure, realistic content, states, or developer handoff information.

Practice exercise

Create a fresh example for Variable-Driven UI using a different product, screen, component, or content set. Explain what changed and why.

Chapter 27 review — 10 questions and answers

1. What is the main purpose of Set Variable?

Answer: Set Variable is a practical Figma skill used to move from rough structure toward a consistent, testable, developer-ready interface. The goal is to understand both the tool action and the design decision behind it.

2. What is a common mistake with Set Variable?

Answer: Using Set Variable visually without consistent naming, reusable structure, realistic content, states, or developer handoff information.

3. What is the main purpose of Number Variables?

Answer: Number Variables is a practical Figma skill used to move from rough structure toward a consistent, testable, developer-ready interface. The goal is to understand both the tool action and the design decision behind it.

4. What is a common mistake with Number Variables?

Answer: Using Number Variables visually without consistent naming, reusable structure, realistic content, states, or developer handoff information.

5. What is the main purpose of String Variables?

Answer: String Variables is a practical Figma skill used to move from rough structure toward a consistent, testable, developer-ready interface. The goal is to understand both the tool action and the design decision behind it.

6. What is a common mistake with String Variables?

Answer: Using String Variables visually without consistent naming, reusable structure, realistic content, states, or developer handoff information.

7. What is the main purpose of Boolean Variables?

Answer: Boolean Variables is a practical Figma skill used to move from rough structure toward a consistent, testable, developer-ready interface. The goal is to understand both the tool action and the design decision behind it.

8. What is a common mistake with Boolean Variables?

Answer: Using Boolean Variables visually without consistent naming, reusable structure, realistic content, states, or developer handoff information.

9. What is the main purpose of Variable-Driven UI?

Answer: Variable-Driven UI is a practical Figma skill used to move from rough structure toward a consistent, testable, developer-ready interface. The goal is to understand both the tool action and the design decision behind it.

10. What is a common mistake with Variable-Driven UI?

Answer: Using Variable-Driven UI visually without consistent naming, reusable structure, realistic content, states, or developer handoff information.