storybook/docs/snippets/vue/component-story-custom-args-complex.3.js.mdx

```js
// YourComponent.stories.js

import YourComponent from './YourComponent.vue';

export default {
  title: 'A complex case with a function',
  component: YourComponent,
  //👇 Creates specific argTypes with options
  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
};

const Template = (args) => {
  //👇 Assigns the function result to a variable
  const functionResult = someFunction(args.propertyA, args.propertyB);
  return {
    components: { YourComponent },
    setup() {
      //👇 The args will now be passed down to the template
      return {
        args: {
          ...args,
          //👇 Replaces arg variable with the override (without the need of mutation)
          someProperty: functionResult,
        },
      };
    },
    template: '<YourComponent v-bind="args" />',
  };
};
```