storybook/docs/snippets/svelte/component-story-custom-args-complex.js.mdx

```js
// YourComponent.stories.js

import YourComponent from './YourComponent.svelte';

export default {
  component: YourComponent,
  //👇 Creates specific argTypes
  argTypes: {
    propertyA: {
      options: ['Item One', 'Item Two', 'Item Three'],
      control: { type: 'select' }, // Automatically inferred when 'options' is defined
    },
    propertyB: {
      options: ['Another Item One', 'Another Item Two', 'Another Item Three'],
    },
  },
};

//👇 Some function to demonstrate the behavior
const someFunction = (valuePropertyA, valuePropertyB) => {
  // Makes some computations and returns something
};

export const ExampleStory = {
  args: {
    propertyA: 'Something',
    propertyB: 'Something else',
  },
  render: (args) => {
    const { propertyA, propertyB } = args;
    //👇 Assigns the function result to a variable
    const someFunctionResult = someFunction(propertyA, propertyB);
    return {
      Component: YourComponent,
      props: {
        ...args,
        someProperty: someFunctionResult,
      },
    };
  },
};
```