## Overview
QR Code is a column widget designed to effortlessly generate and display QR codes corresponding to records within a column. Seamlessly integrated into Labii's interface, this feature enhances data management by providing visual representations of information for quick reference and streamlined accessibility. In cases where specific values are not provided, the widget automatically utilizes the UID (Unique Identifier), ensuring consistent labeling and easy identification of records. With Labii's QR Code widget, users can optimize data organization and retrieval, simplifying workflows and enhancing productivity.
## Use case
1. Use this widget to display QR Code of reagent or stock.
## Configuration
The widget is designed to function immediately without requiring any configuration. Nevertheless, you have the option to utilize the configuration settings to personalize the appearance of the barcode.
* **Level -** QR Error correction level
* **Width -** Width of QR Code
### Examples:
```json
{
"width": 30, // (optional), default to 30
"level": "L", // (optional), default to L. QR Error correction level. Choice of L, M, Q, H
}
```
## Views
See the interface of the widget in the following views.
### **Readonly view**
Readonly view display the values of the column.
### **Edit view**
The Edit view is the interface that allows you to modify the value.
### **Form view**
The Form view is the field integrated into the add form for collecting values when creating a new record.
The Form view is same as the Edit view.
## Data
Each widget in Labii stores data in a unique manner; refer below to understand how data from this widget is stored.
### Data format
Option value in string.
### **Default value**
The Default Value field within the column allows you to specify the default value when a record is created.
Default value shall be the option value in string.
### **Import value**
The Import Value is the value you need to include in your Excel table for it to be imported into Labii.
Import value shall be the option value in string.
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