public function checkbox_list() {
			$field = $this->do_field_start();
			$field .= $this->do_field_label();
			$field .= $this->do_field_div_start();

			if ( ! is_array( $this->value ) ) {
				if ( ! empty( $this->value ) ) {
					$this->value = array( $this->value );
				} else {
					$this->value = array();
				}
			}

			if ( is_array( $this->options ) ) {
				foreach ( $this->options as $option_id => $title ) {
					$field .= '<label title="' . esc_attr( $title ) . '">';
					$field .= '<input type="checkbox"';
					$field .= $this->do_field_name( true );
					$field .= ' value="' . esc_attr( $option_id ) . '" ' . checked( in_array( $option_id, $this->value ), true, false ) . '/>';
					$field .= $title;
					$field .= '</label>';
				}
			} else {
				$field .= '<span class="tribe-error">' . esc_html__( 'No checkbox options specified', 'tribe-common' ) . '</span>';
			}
			$field .= $this->do_field_div_end();
			$field .= $this->do_field_end();

			return $field;
		}