Tips for correctly emitting the modelValue with Vue3 using props:

I need to pass the value from the first input in the child component to the `optionsSkin` key of the parent component's `newSettings` object, and the value from the second input to the `optionsLeg` key. How can I bind each input to the corresponding inner object key?

    // Parent
    <template>
        <ChartSettings :default="chartSettings" :modelValue="newSettings" />
    </template>

    <script>
    export default {
      data() {
        return {
          newSettings: {
            optionsSkin: '',
            optionsLeg: []
          }
        }
      }
      components: {
        ChartSettings,
      },
    };
    </script>

    // Child
    <q-option-group
      :options="settings.optionsSkin"
      type="radio"
      @input="$emit('update:modelValue', $event.target.value)"
    />
    <q-option-group
      :options="settings.optionsLeg"
      type="checkbox"
      :toggle-indeterminate="false"
      @input="$emit('update:modelValue', $event.target.value)"
    />

    <script>
    export default {
      props: ['modelValue'],
    };
    </script>

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