9th chunk of `content/manuals/extensions/extensions-sdk/design/design-guidelines.md`
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## Onboarding new users
When creating your extension, ensure that first time users of the extension and your product can understand its value-add and adopt it easily. Ensure you include contextual help within the extension.
- Ensure that all necessary information is added to the extensions Marketplace as well as the extensions detail page. This should include:
- Screenshots of the extension. Note that the recommended size for screenshots is 2400x1600 pixels.
- A detailed description that covers what the purpose of the extension is, who would find it useful and how it works.