The option is not currently in UI but you can modify it in:
c:\\Users\\<your login>\\AppData\\Local\\Red Gate\\SQL Prompt 5\\RedGate_SqlPrompt_Format_Layout_LayoutOptions.xml
Change element IndentBeginToken:
This equivalent setting is also also in the style file so you can modify the style file and share the style file with other members of your team.
If you would like to request a feature to make this option available from the UI you can vote for this existing feature request in our uservoice forums.
http://redgate.uservoice.com/forums/944 ... dent-begin
These forums are actively monitored by our development team and allow our users to request features and vote on them.
If a feature receives a significant amount of votes or is deemed to have merit development may include the feature in a future release.