public function get_fields() {

		$next_id = llms_get_certificate_sequential_id( $this->post->ID );

		$fields = array(
			array(
				'label'      => __( 'Certificate Title', 'lifterlms' ),
				'id'         => $this->prefix . 'certificate_title',
				'type'       => 'text',
				'class'      => 'input-full',
				'desc_class' => 'd-all',
				'sanitize'   => 'no_encode_quotes',
			),
			array(
				'label'      => __( 'Next Sequential ID', 'lifterlms' ),
				'id'         => $this->prefix . 'sequential_id',
				'type'       => 'number',
				'class'      => 'input-full',
				'desc_class' => 'd-all',
				'value'      => $next_id,
				'min'        => $next_id,
				'step'       => 1,
			),
		);

		return array(
			array(
				'title'  => __( 'General', 'lifterlms' ),
				'fields' => $fields,
			),
		);
	}