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Custom prompt shortcut / Marketing

/bannerdesign — ChatGPT Prompt Guide

Explore the /bannerdesign custom ChatGPT prompt shortcut with a practical template, examples, and review steps. Learn how to refine outputs for your workflow.

What does /bannerdesign do?

Purpose: Worked scenario and review.

This is a custom prompt convention, not a built-in or official ChatGPT slash command. Entering the slash text alone does not guarantee that ChatGPT will invoke a special tool. Use the complete structured prompt below or configure your own app to interpret this shortcut.

Key decision for this workflow

verify cropping, CTA visibility and accessible contrast.

Copy-ready task brief

/bannerdesign Objective: Specify a responsive banner for a public science festival. Inputs: festival name, approved logo, schedule and responsive breakpoints. Deliverable: desktop and mobile layout specs with safe text zones.

Reusable prompt template

/bannerdesign Objective: Specify a responsive banner for a public science festival. Available materials: festival name, approved logo, schedule and responsive breakpoints. Required output: desktop and mobile layout specs with safe text zones. Acceptance test: verify cropping, CTA visibility and accessible contrast. Boundary: Flag missing information and unverified assumptions; do not fabricate evidence. Return the requested deliverable first, then a brief verification checklist and any unresolved questions.

How to use this shortcut

  1. Collect the source inputs: festival name, approved logo, schedule and responsive breakpoints.
  2. Run /bannerdesign with the copy-ready task brief above.
  3. Request the concrete output: desktop and mobile layout specs with safe text zones.
  4. Check the result: verify cropping, CTA visibility and accessible contrast.

Quality checks and limitations

Acceptance criteria: verify cropping, CTA visibility and accessible contrast. If inputs are incomplete, mark assumptions and verify the result before deployment.

Related tools and learning

Continue with the 35 prompt generators, the technical AI Guides, and the Image Guides for deeper examples.

/adcopy/adcreative/campaign/branding/contentgap/cannibalization

Worked example and expected output

Input materials: festival name, approved logo, schedule and responsive breakpoints.

Requested result: desktop and mobile layout specs with safe text zones.

Acceptance test: verify cropping, CTA visibility and accessible contrast.

Applied workflow and review criteria

Real-world task: Specify a responsive banner for a public science festival.

Required inputs: festival name, approved logo, schedule and responsive breakpoints.

Deliverable to request: desktop and mobile layout specs with safe text zones.

How to validate the result: verify cropping, CTA visibility and accessible contrast.

Scope and limitation: Do not invent sponsor logos or event dates.

Frequently asked questions

Is /bannerdesign an official ChatGPT command? No. It is a reusable custom shorthand from this catalog. Does it work without a plugin? You can copy the full prompt into an assistant; automatic slash-command routing requires application logic. Can the output be trusted without review? No. Review accuracy, safety, and suitability before use.

Worked scenario and review

Scenario: Design a 1200-by-628 event banner for a science museum open day.

Expected deliverable: Provide layout zones, typography hierarchy, contrast requirements and editable date placeholders.

Verification: Check mobile cropping and text readability.