size [integer]

This is used in constructing HTML. It determines the size of the input field. The 'maxlength' field should be used as a constraint on the size of the field, not this attribute.

minlength [integer]

This integer value, if non-zero, defines the minimum number of characters that must be entered.

maxlength [integer]

A constraint on the maximum length of the text.

error messages

Set error messages (text_minlength, text_maxlength):

    has_field 'my_text' => ( type => 'Text', messages =>
        {  'text_minlength' => 'Field is too short',
           'text_maxlength' => 'Field is too long',
        } );