public function add_customer_meta_fields( $user ) {
			if ( ! apply_filters( 'woocommerce_current_user_can_edit_customer_meta_fields', current_user_can( 'manage_woocommerce' ), $user->ID ) ) {
				return;
			}

			$show_fields = $this->get_customer_meta_fields();

			foreach ( $show_fields as $fieldset_key => $fieldset ) :
				?>
				<h2><?php echo $fieldset['title']; ?></h2>
				<table class="form-table" id="<?php echo esc_attr( 'fieldset-' . $fieldset_key ); ?>">
					<?php foreach ( $fieldset['fields'] as $key => $field ) : ?>
						<tr>
							<th>
								<label for="<?php echo esc_attr( $key ); ?>"><?php echo esc_html( $field['label'] ); ?></label>
							</th>
							<td>
								<?php if ( ! empty( $field['type'] ) && 'select' === $field['type'] ) : ?>
									<select name="<?php echo esc_attr( $key ); ?>" id="<?php echo esc_attr( $key ); ?>" class="<?php echo esc_attr( $field['class'] ); ?>" style="width: 25em;">
										<?php
											$selected = esc_attr( get_user_meta( $user->ID, $key, true ) );
										foreach ( $field['options'] as $option_key => $option_value ) :
											?>
											<option value="<?php echo esc_attr( $option_key ); ?>" <?php selected( $selected, $option_key, true ); ?>><?php echo esc_html( $option_value ); ?></option>
										<?php endforeach; ?>
									</select>
								<?php elseif ( ! empty( $field['type'] ) && 'checkbox' === $field['type'] ) : ?>
									<input type="checkbox" name="<?php echo esc_attr( $key ); ?>" id="<?php echo esc_attr( $key ); ?>" value="1" class="<?php echo esc_attr( $field['class'] ); ?>" <?php checked( (int) get_user_meta( $user->ID, $key, true ), 1, true ); ?> />
								<?php elseif ( ! empty( $field['type'] ) && 'button' === $field['type'] ) : ?>
									<button type="button" id="<?php echo esc_attr( $key ); ?>" class="button <?php echo esc_attr( $field['class'] ); ?>"><?php echo esc_html( $field['text'] ); ?></button>
								<?php else : ?>
									<input type="text" name="<?php echo esc_attr( $key ); ?>" id="<?php echo esc_attr( $key ); ?>" value="<?php echo esc_attr( $this->get_user_meta( $user->ID, $key ) ); ?>" class="<?php echo ( ! empty( $field['class'] ) ? esc_attr( $field['class'] ) : 'regular-text' ); ?>" />
								<?php endif; ?>
								<p class="description"><?php echo wp_kses_post( $field['description'] ); ?></p>
							</td>
						</tr>
					<?php endforeach; ?>
				</table>
				<?php
			endforeach;
		}