# size

## Purpose

Uses a Groovy range to restrict the size of a collection or number or the length of a String.

## Examples

    children(size:5..15)

## Description

Sets the size of a collection or number property or String length.

> Currently this constraint cannot be used in addition to blank or nullable, a custom validator may be added to perform this kind of constraints.

This constraint influences schema generation.

Error Code: `className.propertyName.size.toosmall` or `className.propertyName.size.toobig`