Min/Max

The #[MinMax] property type will render a pair of numeric input fields in the field properties panel, allowing you to define minimum and maximum values.

use Solspace\Freeform\Attributes\Property\Input\MinMax;
// ...

#[MinMax(
    label: 'Age Range',
    instructions: 'Select the age range.',
)]
protected array $ageRange = [null, null];

The resulting range will be stored as an array with two elements: the first being the minimum value, and the second being the maximum value.

Result