toJson method

@override Map<String, dynamic> toJson()

Implementation

@override
toJson() {
  final block = <String, dynamic>{'type': 'image'};
  block['image_url'] = imageUrl;
  block['alt_text'] = altText;
  if (title != null) block['title'] = {'type': 'plain_text', 'text': title};

  return block;
}