The Adobe® Photoshop® Lightroom® SDK allows you to customize and extend certain Lightroom features by creating plug-ins. A Lightroom plug-in consists of Lua-language files (scripts) that define the plug-in functionality, and an information or manifest file that describes the contents of the plug-in. The information file must have a specific name, and be placed in a folder with the Lua source files and resource files; the folders may need to be in specific locations.
Here are the new areas of extensibility in the current release:
The SDK contents include the following:
You can use any text based editor to write your Lua scripts and use the LrLogger namespace to write debugging information to a console.