## XFieldGroup Usage Rules XFieldGroup is `` grouping container. Used to group multiple related `` elements at the top level, indicating they belong to the same object or context. This provides better organization and visual grouping for related parameters. ### Attributes - No attributes required ### Children - Only `` elements are allowed as children ### Usage Rules - **Top-Level Only**: Used only at the top level for grouping related `` elements. Cannot be nested inside other `` or `` elements - **Structured Data Only**: Use `` for fields **other than simple types** (`string`, `number`, `boolean`, `symbol`), e.g., Properties, Context, Parameters, Return values. For simple-type fields, use plain Markdown text. ### Good Examples - Example 1: Product information fields ```md

Product price in **USD**. Must be a positive number with up to 2 decimal places.

``` ### Bad Examples - Example 1: Nested inside x-field component (violates "Top-Level Only" rule) ```md

``` - Example 2: Nested inside another x-field-group (violates "Top-Level Only" rule) ```md

``` - Example 3: Containing non-x-field elements (violates "Only x-field elements allowed" rule) ```md

Additional information

``` - Example 4: Empty x-field-group (violates "Must contain x-field elements" rule) ```md ``` - Example 5: Using x-field-group for simple-type (violates "Structured Data Only" rule) ```md ### appName

```