ERPNext Controllers - Implementation

This skill helps you determine HOW to implement server-side DocType logic. For exact syntax, see erpnext-syntax-controllers.

Version: v14/v15/v16 compatible

Main Decision: Controller vs Server Script?

┌───────────────────────────────────────────────────────────────────┐
│ WHAT DO YOU NEED?                                                 │
├───────────────────────────────────────────────────────────────────┤
│                                                                   │
│ ► Import external libraries (requests, pandas, numpy)             │
│   └── Controller ✓                                                │
│                                                                   │
│ ► Complex multi-document transactions with rollback               │
│   └── Controller ✓                                                │
│                                                                   │