Quick summary
A product marketing message GPT is a custom ChatGPT model configured with specific instructions, conversation starters, and knowledge files to generate on-brand marketing copy on demand. This step-by-step guide shows how to create, configure, and publish your own custom GPT inside ChatGPT in under 15 minutes.
Steps
- On ChatGPT's main interface, open the left-side panel and click Explore GPTs.
- Tap Create at the top-right corner to start building a new GPT.
- Switch the tab from Create to Configure to access manual setup options.
- Set a distinctive display photo by tapping the Add icon and selecting an image from your library.
- Enter a unique GPT Name and Description into their respective input fields.
- Click the Instructions input field and write a comprehensive description covering the purpose, behavior, and capabilities of your product marketing message GPT.
- Add relevant text prompt examples by typing them into the Conversation Starters input field.
- Scroll to the Knowledge section and click Upload Files to import external reference documents.
- Review the Capabilities section and tick the checkboxes for GPT functions you want to enable; optionally configure Actions for third-party app integrations.
- Navigate to the Preview Area, type a test prompt into the input box, and tap Submit to evaluate your GPT's output.
- If satisfied with the results, click Create at the top-right corner to finalize the GPT.
- Choose your preferred access configuration, then tap Save to proceed.
- Your product marketing message GPT is now created and published and ready to use.


