1. A computer-readable medium containing instructions executable by at least one processor, the computer-readable medium comprising: one or more instructions for receiving a selection of a block, a subsystem or multiple blocks from a block diagram modeling environment running on a computing device; one or more instructions for presenting, to the user, a set of parameters associated with the block, subsystem, or multiple blocks; one or more instructions for receiving, from the user, selection of a first subset of parameters from the set of parameters; and one or more instructions for creating a customized dialog box, using the computing device, by promoting the selected first subset of parameters to the customized dialog box, wherein the customized dialog box permits editing of values associated only with the first subset of parameters.