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Introduction to Simulink Masking | How to Create Masks in Simulink

 Simulink Masking is a powerful feature that allows you to create custom blocks in Simulink by selectively exposing certain parameters and functionalities. This is done by creating a mask that overlays the block and hides any parameters or features that are not relevant to the user's needs.


To create a mask in Simulink, you can follow these steps:


Select the block that you want to mask in your Simulink model.

Right-click on the block and select "Mask > Create Mask" from the context menu. This will create a new mask for the block.

The Mask Editor will open, allowing you to customize the mask. You can modify the mask's appearance, add custom parameters, and specify which block parameters should be visible to the user.

In the Mask Editor, you can add custom dialog boxes, buttons, and other user interface elements to provide a more intuitive interface for the user.

Once you have finished customizing the mask, you can save it and apply it to the block.

With the mask applied, users can interact with the block using only the specified parameters and functionalities that you have exposed in the mask. This can greatly simplify the user's interaction with the block and make your Simulink models more user-friendly.


In summary, Simulink Masking is a powerful tool for creating custom blocks in Simulink. By selectively exposing certain parameters and functionalities, you can create a more intuitive and user-friendly interface for your Simulink models.

Watch an overview about Simulink® masks. Masks are a great way to add icons and a custom interface for your Simulink blocks and subsystems. Masks help you manage complexity in your models, control access to underlying block parameters, provide custom documentation for your block, and initialize block parameters using custom MATLAB® code.


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