Note: aside, and gallery are not the only available post formats. The available list of post formats are:
aside – Typically styled without a title. Similar to a Facebook status update.
chat – A chat transcript.
gallery – A gallery of images.
link – A link to another site.
image – A single image.
quote – A quotation.
status – A short status update, usually limited to 140 characters. Similar to a Twitter status update.
video – A single video.
For the full list of post formats, refer to WordPress Codex .
Once you have added this code, you will see a new field in your post write panel in the right hand column where you see publish.
Updated on December 19, 2019