Not Enough Input Arguments when using cm.addCustomMenuFcn

I'm trying to add some menu customizations. I'm starting with this Mathworks Example. However, it's not working. When running the code I get the following error.

_Not enough input arguments.

Error in simulinkMenuCustomisation (line 3) cm.addCustomMenuFcn('Simulink:ToolsMenu', @getMyMenuItems);__

function sl_customization(cm)
  % Register custom menu function.
  cm.addCustomMenuFcn('Simulink:ToolsMenu', @getMyMenuItems);
end

function schemaFcns = getMyMenuItems(callbackInfo)
    schemaFcns = {@createBO};
end

function schema = createBO(callbackInfo)
    schema = sl_action_schema;
    schema.label = 'Align Inputs to Ports';
    schema.statustip = 'Align Inputs to Ports';
    schema.accelerator = 'Crtl+Alt+I';
    schema.callback = @createBOcb;
end

function createBOcb(~)
    blockH = find_system(gcbh);
    disp(get(blockH,'Name'))
end

Answer 1

[Chris Dyer]

Looks like this is due to attempting to run this script standalone.

The script requires the customization manager to be passed in as an argument to the sl_customization function (this is the missing argument).

This is done automatically when simulink starts (it will execute any sl_customization files it finds on the MATLAB path).

Keep in mind that if you are using simulink projects, simulink is started as soon as you open a project and before any project paths have been added to the MATLAB path. So saving your scripts within a project folder will likely not work and you will need to place it in a directory that is already on the MATLAB path.

I am not sure if there is a way to get the customization manager and pass it to this script manually after simulink has started.

[umichguy84]

Thanks for the tip. A couple other things I learned. The filename must be sl_customization.

Also, sl_refresh_customizations refreshes your simulink menu based on the latest save of your sl_customization.