> For the complete documentation index, see [llms.txt](https://alex-robenko.gitbook.io/commsdsl-specification/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://alex-robenko.gitbook.io/commsdsl-specification/properties.md).

# Properties

Almost every element in **CommsDSL** has one or more properties, such as **name**. Any property can be defined using multiple ways. In can be useful when an element has too many properties to specify in a single line for a convenient reading. **Any** of the described below supported ways of defining a single property can be used for **any** element in the schema.

The property can be defined as an XML attribute.

```
<int name="SomeField" type="uint8" />
```

Or as child node with **value** attribute:

```
<int>
    <name value="SomeField" />
    <type value="uint8" />
</int>
```

Property value can also be defined as a text of the child XML element.

```
<int>
    <name>SomeField</name>
    <type>uint8</type>
</int>
```

It is allowed to mix ways of defining properties for a single element

```
<int name="SomeField">
    <type value="uint8" />
    <endian>big</endian>
</int>
```

Many properties must be defined only once for a specific element. In this case, repetition of it is prohibited. The definition below must cause an error (even if provided **type** value is not changed).

```
<int name="SomeField" type="uint8" >
    <type value="uint8" />
</int>
```

**NOTE**, that properties can be defined in **any** order.