{ "lexicon": 1, "id": "app.bsky.embed.images", "description": "A set of images embedded in a Bluesky record (eg, a post).", "defs": { "main": { "type": "object", "required": ["images"], "properties": { "images": { "type": "array", "items": { "type": "ref", "ref": "#image" }, "maxLength": 4 } } }, "image": { "type": "object", "required": ["image", "alt"], "properties": { "image": { "type": "blob", "description": "The raw image file. May be up to 2 MB, formerly limited to 1 MB.", "accept": ["image/*"], "maxSize": 2000000 }, "alt": { "type": "string", "description": "Alt text description of the image, for accessibility." }, "aspectRatio": { "type": "ref", "ref": "app.bsky.embed.defs#aspectRatio" } } }, "view": { "type": "object", "required": ["images"], "properties": { "images": { "type": "array", "items": { "type": "ref", "ref": "#viewImage" }, "maxLength": 4 } } }, "viewImage": { "type": "object", "required": ["thumb", "fullsize", "alt"], "properties": { "thumb": { "type": "string", "format": "uri", "description": "Fully-qualified URL where a thumbnail of the image can be fetched. For example, CDN location provided by the App View." }, "fullsize": { "type": "string", "format": "uri", "description": "Fully-qualified URL where a large version of the image can be fetched. May or may not be the exact original blob. For example, CDN location provided by the App View." }, "alt": { "type": "string", "description": "Alt text description of the image, for accessibility." }, "aspectRatio": { "type": "ref", "ref": "app.bsky.embed.defs#aspectRatio" } } } } }