mySCADA offers you default component library which can be accessed by clicking on the „Bluebook“ icon in the top toolbar.

Which will open up a component library which contains several pre-made components which can be customized by a user, simply by a just opening component of your choice and by clicking on
„Copy to custom“

Which will open up a new dialogue which will let you copy a default component to a custom component category, you can select from one which you have already made or create a new category.

After confirming your choice myDESIGNER will automatically open a component editor where you can customize component itself.

Once you are done with the customization you can simply head back to components dialogue and to „custom“ category where you can find your component, you can easily import/export the component categories so you can use them then inside other projects.

Or you can export the whole categories.