# Thread

LLMS index: [llms.txt](/llms.txt)

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## Thread Attributes

These attributes may be used for any operation to store information about a thread that started a span.

**Attributes:**

| Key | Stability | Value Type | Description | Example Values |
| --- | --- | --- | --- | --- |
| <a id="thread-id" href="#thread-id">`thread.id`</a> | ![Development](https://img.shields.io/badge/-development-blue) | int | Current "managed" thread ID (as opposed to OS thread ID). [1] | `42` |
| <a id="thread-name" href="#thread-name">`thread.name`</a> | ![Development](https://img.shields.io/badge/-development-blue) | string | Current thread name. [2] | `main` |

**[1] `thread.id`:** Examples of where the value can be extracted from:

| Language or platform | Source |
| --- | --- |
| JVM | `Thread.currentThread().threadId()` |
| .NET | `Thread.CurrentThread.ManagedThreadId` |
| Python | `threading.current_thread().ident` |
| Ruby | `Thread.current.object_id` |
| C++ | `std::this_thread::get_id()` |
| Erlang | `erlang:self()` |

**[2] `thread.name`:** Examples of where the value can be extracted from:

| Language or platform | Source |
| --- | --- |
| JVM | `Thread.currentThread().getName()` |
| .NET | `Thread.CurrentThread.Name` |
| Python | `threading.current_thread().name` |
| Ruby | `Thread.current.name` |
| Erlang | `erlang:process_info(self(), registered_name)` |