# LessThan - `LessThan(mixed $compareTo)` Validates whether the input is less than a value. ```php v::lessThan(10)->validate(9); // true v::lessThan(10)->validate(10); // false ``` Validation makes comparison easier, check out our supported [comparable values](../07-comparable-values.md). Message template for this validator includes `{{compareTo}}`. ## Categorization - Comparisons ## Changelog Version | Description --------|------------- 2.0.0 | Created *** See also: - [Between](Between.md) - [Max](Max.md) - [Min](Min.md)