How to use the address.street function in address

validate: function (attrs) {
            var errors = [];

            Validation.checkGroupsNameField(errors, true, attrs.name, 'Subject');
            Validation.checkGroupsNameField(errors, true, attrs.source, 'Source');

            // Validation.checkGroupsNameField(errors, false, attrs.company.name, 'Company'); // commented in hotFix By Liliya
            Validation.checkPhoneField(errors, false, attrs['phones.phone'] || attrs.phones.phone, 'Phone');
            Validation.checkPhoneField(errors, false, attrs['phones.mobile'] || attrs.phones.mobile, 'Mobile');
            Validation.checkCountryCityStateField(errors, false, attrs['address.country'] || attrs.address.country, 'Country');
            Validation.checkCountryCityStateField(errors, false, attrs['address.state'] || attrs.address.state, 'State');
            Validation.checkCountryCityStateField(errors, false, attrs['address.city'] || attrs.address.city, 'City');
            Validation.checkZipField(errors, false, attrs['address.zip'] || attrs.address.zip, 'Zip');
            Validation.checkStreetField(errors, false, attrs['address.street'] || attrs.address.street, 'Street');
            Validation.checkEmailField(errors, false, attrs.email, 'Email');
            Validation.checkNotesField(errors, false, attrs.internalNotes, 'Notes');
            Validation.checkFacebookSocial(errors, false, attrs.social.FB, 'Facebook');
            Validation.checkLinkedinSocial(errors, false, attrs.social.LI, 'LinkedIn');

           /* if (!attrs.tempCompanyField) {
                errors.push('Check company please. ');
            }

            if (!attrs.customer) {
                errors.push('Check person please. ');
            }*/

            if (errors.length > 0) {
                return errors;
            }

validate: function (attrs) {
            var errors = [];
            Validation.checkNameField(errors, true, attrs['name.first'] || attrs.name.first, 'First name');
            Validation.checkNameField(errors, true, attrs['name.last'] || attrs.name.last, 'Last name');
            Validation.checkPhoneField(errors, false, attrs['phones.phone'] || attrs.phones.phone, 'Phone');
            Validation.checkPhoneField(errors, false, attrs['phones.mobile'] || attrs.phones.mobile, 'Mobile');
            Validation.checkPhoneField(errors, false, attrs['phones.fax'] || attrs.phones.fax, 'Fax');
            Validation.checkCountryCityStateField(errors, false, attrs['address.country'] || attrs.address.country, 'Country');
            Validation.checkCountryCityStateField(errors, false, attrs['address.state'] || attrs.address.state, 'State');
            Validation.checkCountryCityStateField(errors, false, attrs['address.city'] || attrs.address.city, 'City');
            Validation.checkZipField(errors, false, attrs['address.zip'] || attrs.address.zip, 'Zip');
            Validation.checkStreetField(errors, false, attrs['address.street'] || attrs.address.street, 'Street');

            Validation.checkCountryCityStateField(errors, false, attrs['shippingAddress.country'] || attrs.address.country, 'Shipping Country');
            Validation.checkCountryCityStateField(errors, false, attrs['shippingAddress.state'] || attrs.address.state, 'Shipping State');
            Validation.checkCountryCityStateField(errors, false, attrs['shippingAddress.city'] || attrs.address.city, 'Shipping City');
            Validation.checkZipField(errors, false, attrs['shippingAddress.zip'] || attrs.address.zip, 'Shipping Zip');
            Validation.checkStreetField(errors, false, attrs['shippingAddress.street'] || attrs.address.street, 'Shipping Street');

            Validation.checkNameField(errors, false, attrs.jobPosition, 'Job position');
            Validation.checkSkypeField(errors, false, attrs.skype, 'Skype');
            Validation.checkEmailField(errors, false, attrs.email, 'Email');
            Validation.checkFacebookSocial(errors, false, attrs.social.FB, 'Facebook');
            Validation.checkLinkedinSocial(errors, false, attrs.social.LI, 'LinkedIn');


            if (errors.length > 0) {
                return errors;