public function minChars($minChars = null)
    {
        if ($minChars !== null) {
            $this->minChars= $minChars;
            return $this;
        }
        return $this->minChars;
    }
public function minChars($minChars = null)
    {
        if ($minChars !== null) {
            $this->minChars= $minChars;
            return $this;
        }
        return $this->minChars;
    }
public function minChars ( $ minChars = null ) { if ( $ minChars !== null ) { $ this -> minChars = $ minChars ; return $ this ; } return $ this -> minChars ; }
Get or sets the minimum amount of characters a RUT can have to ve valid
@param null $minChars
@return $this|int
Get or sets the minimum amount of characters a RUT can have to ve valid