EcoStruxure Machine Expert version 1.1 does not support the M258, LMC058 and LMC078 controllers.

FFB Finder..

Overview

The File > FFB Finder... command opens the FFB Finder dialog box. The FFB (function and function block) finder assists you in finding a specific function or function block even if you do not know its exact name.

For further information, refer to the chapter Function and Function Block Finder in the Programming Guide.