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Plugin Concepts

How UXP plugins actually work under the hood: the core concepts, the tech stack, and the fundamentals you'll come back to again and again.

Concepts

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Panels & Commands
The two ways a plugin surfaces in the host application's UI.
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Entrypoints
How the host application discovers and launches your plugin's panels and commands.
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Manifest
The manifest.json file that describes your plugin to the host application.

Tech stack

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Tech Stack Foundations
The web technologies and the UXP runtime your plugin is built on.

Fundamentals

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Understanding UXP APIs
The difference between UXP Core APIs and each host's application API, and when to use each.
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Building User Interfaces
The three ways to build a plugin's UI, and when to reach for each one.
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Common Plugin Terms
Plugins, panels, commands, manifests: a glossary, and how it maps to CEP/ExtendScript terms.

Next steps

Ready to build something? Head to Build Your First Plugin if you're starting from scratch, or How-to Guides for a specific job.