**type**: ``string``, ``null``or ``false`` **default**: ``null``

Thisis the translation domain that will be usedfor anylabelsoroptions

thatare renderedfor this field. Use nulltouse the translation domainof

the parent formor the default domainof translatorforroot form. Use false

to disabletranslation.

Thisis the translation domain that will be usedfor anylabeloroption

thatis renderedfor this field. Use``null``toreuse the translation domain

ofthe parent form(or the default domainofthetranslatorforthe root

form). Use ``false``to disabletranslations.