Add an image into a richTextField

Hi everybody, 

I need to add to a richTextField's body an image inline with a text.

I don't know hot to use the "imageStorageConnectedSystem" (I already installed the plugin).

I tried with the imgeDocument, with the richTextDisplayField but nothing.

/cfs-filesystemfile/__key/appian-appmarket-files/a0649666_2D00_ad0f_2D00_4708_2D00_a853_2D00_4c79426b97db/richtextwithimage.png?_=637338985026264379