25. The method of claim 24 , further comprising: detecting an interaction with the masked block; providing the dialog box based on detecting the interaction with the masked block; receiving, via the dialog box, input specifying a first value for a first parameter, of the one or more parameters, associated with a first block, of the one or more blocks; receiving, via the dialog box, input specifying a second value for a second parameter, of the one or more parameters, associated with a second block, of the one or more blocks, the second block being different from the first block; and executing the block diagram model using the first value for the first block and the second value for the second block.
24. The method of claim 19 , where providing the masked block for display further comprises: replacing, in the block diagram model, the one or more blocks with the masked block.