> ## Documentation Index
> Fetch the complete documentation index at: https://kumo.ai/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# num_heads

#### `num_heads: <list[int]>` (Optional)

#### Description

Specifies the number of attention heads in the GraphTransformer model.

#### Supported Task Types

* All except Link Prediction

#### Default Values

| [run\_mode](/run-mode) | Default Value |
| :--------------------- | :------------ |
| FAST                   | `[8]`         |
| NORMAL                 | `[8]`         |
| BEST                   | `[8]`         |