Change Sublabels for the Name Field

/**

 * Customize name field properties.

 *

 * @link   https://wpforms.com/developers/how-to-change-sublabels-for-the-name-field/

 * 

 * For support, please visit: https://www.facebook.com/groups/wpformsvip

 */

function wpf_dev_name_field_properties( $properties, $field, $form_data ) {

    // Change the text for the sublabel

    $properties[ 'inputs' ][ 'first' ][ 'sublabel' ][ 'value' ]  = __( 'First Name', 'plugin-domain' );

    $properties[ 'inputs' ][ 'middle' ][ 'sublabel' ][ 'value' ] = __( 'Middle Initial', 'plugin-domain' );

    $properties[ 'inputs' ][ 'last' ][ 'sublabel' ][ 'value' ]   = __( 'Last Name', 'plugin-domain' );

    return $properties;

}

add_filter( 'wpforms_field_properties_name' , 'wpf_dev_name_field_properties', 10, 3 );