Dear LyX-Developers, So, after working on the Side Caption style, I got excited and thought that I would try and make an "epigraph" style for memoir and my custom class.
The epigraph command allows the enterprising author to add a quotation to their document prior to the start of the chapter (see page 249 of the memoir manual). It takes arguments: \epigraph{text}{source} Here is my layout definition that would enable this for the memoir class: Style Epigraph Category Special_Commands Margin Static LatexType command LatexName lyxepigraph RequiredArgs 1 NextNoIndent 1 LeftMargin MMM RightMargin MMM TopSep 0.5 ParSep 0.5 BottomSep 0.5 Align Block AlignPossible Block, Left, Right, Center LabelType No_Label HTMLTag epigraph HTMLItem p Font Family Roman Shape Italic EndFont Preamble \newcommand{\lyxepigraph}[2]{\epigraph{#2}{#1}} End Preamble End The preamble line is necessary because LyX places required arguments added through the "opt" inset before paragraph text. The memoir epigraph command takes first the paragraph text and then the source. Like in the case of the last example, is there a way to create a custom "opt" inset that could have "Epigraph Source" for the label and could be added from "Insert > Custom > Epgraph Source". I wasn't able to find a readily obvious answer. Cheers, Rob