EasyMDE
The easy_mde field provides an EasyMDE Markdown editor for a text column in your database. Use it to write descriptions, notes, or other long-form content and store the raw Markdown rather than HTML.
# app/avo/resources/post.rb
field :description, as: :easy_mdeBy default, the spell checker is off, long content is collapsed on the Show view, and the field is hidden from the Index view.
INFO
Before Avo 3.17 this field was called markdown. It was renamed to easy_mde to make room for Avo's own markdown implementation.

Enable spell checking
If you want spelling suggestions while editing, set spell_checker to true.
# app/avo/resources/post.rb
field :description, as: :easy_mde, spell_checker: trueDisplay the full content on Show
Readers can expand long content with More content and collapse it again with Less content. If you want the full content visible immediately, set always_show to true.
# app/avo/resources/post.rb
field :description, as: :easy_mde, always_show: trueThe Show view displays a read-only editor without the toolbar or status bar.
Adjust the editor height
Drag the resize handle on New and Edit forms to change the editor height.
WARNING
The height option does not currently set the editor's initial height. Use the resize handle instead.
Use common field options
See Common field options for shared settings such as labels, help text, placeholders, and visibility.