Plugins

Unchained Engine uses a plugin architecture to extend functionality. Plugins are organized by category:

Categories

Category	Description
Payment	Payment service provider integrations (Stripe, PayPal, etc.)
Delivery	Shipping and fulfillment methods
Pricing	Price calculation, taxes, discounts, and rounding
Warehousing	Inventory management and stock handling
Filters	Product search and filtering
File Storage	File upload backends (GridFS, S3/MinIO)
Workers	Background tasks (email, SMS, webhooks)
Events	Event system backends (Node, Redis, EventBridge)
Quotations	Price quotation and custom offering handling
Enrollments	Subscription and recurring order management

Quick Setup

For quick setup, use Plugin Presets which bundle commonly used plugins together.

Writing Custom Plugins

For creating your own plugins, see the Extending documentation:

• Custom Payment Plugins
• Custom Delivery Plugins
• Custom Warehousing Plugins
• Custom Filter Plugins
• Custom Pricing Plugins
• Custom Worker Plugins
• Custom Quotation Plugins
• Custom Enrollment Plugins