# Overview

Fulfillments in VU Custom represent shipping and delivery information for order line items. They track how products are shipped to customers, including carrier details, tracking information, and delivery specifications.

### Core Concepts

#### Fulfillment Structure

A fulfillment record contains:

* Shipping carrier information
* Tracking details
* Package dimensions and weight
* Recipient information
* Associated order line items
* Delivery specifications

### Important Features

#### Multiple Line Items

* One fulfillment can contain multiple order lines
* Partial order fulfillment supported
* Quantity tracking per line item

#### Carrier Support

* Multiple carrier integrations
* Standardized service codes
* Tracking number validation

#### Package Information

* Detailed package specifications
* Weight and dimensions tracking
* Multiple package support

### Common Use Cases

1. **Order Shipping**
   * Recording shipment details
   * Tracking number assignment
   * Carrier service selection
2. **Delivery Tracking**
   * Package status monitoring
   * Delivery confirmation
   * Shipping documentation
3. **Fulfillment Management**
   * Partial order fulfillment
   * Multiple package handling
   * Shipping label generation


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