'type',
define the field used in form, and the type of data.
-one of 'checkbox', 'combobox', 'custom', 'datetime', 'input', 'intcheckbox', 'password', 'radio', 'richtext', 'select', 'select_raw', 'textarea', 'yesno'
+one of 'checkbox', 'combobox', 'custom', 'datetime', 'input', 'intcheckbox', 'password', 'radio', 'richtext', 'select', 'select_raw', 'textarea'
'label',
- 'select': array `[ value => label ]` of choices
- 'intcheckbox': value of input element
- 'select_raw': prebuild html string of `<option >` tags
-- 'yesno': array `[ 'label no', 'label yes']`
Each label should be translatable