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

# KlingFirstLastFrameNode - ComfyUI Built-in Node Documentation

> This node uses the Kling 3.0 model to generate a video.

This node uses the Kling 3.0 model to generate a video. It creates the video based on a text prompt, a specified duration, and two provided images: a starting frame and an ending frame. The node can also generate accompanying audio for the video.

## Inputs

### Common Inputs

| Parameter | Description | Data Type | Required | Range |
| - | - | - | - | - |
| `model` | Model and generation settings. Selecting this option reveals a nested `resolution` parameter. | DYNAMIC\_COMBO | Yes | `"kling-v3"` |
| `prompt` | The text description that guides the video generation. Must be between 1 and 2500 characters long. | STRING | Yes | N/A |
| `duration` | The length of the video in seconds (default: 5). | INT | Yes | 3 to 15 |
| `first_frame` | The starting image for the video. Must be at least 300x300 pixels and have an aspect ratio between 1:2.5 and 2.5:1. | IMAGE | Yes | N/A |
| `end_frame` | The ending image for the video. Must be at least 300x300 pixels and have an aspect ratio between 1:2.5 and 2.5:1. | IMAGE | Yes | N/A |
| `generate_audio` | Controls whether to generate audio for the video (default: True). | BOOLEAN | Yes | N/A |
| `seed` | Seed controls whether the node should re-run; results are non-deterministic regardless of seed (default: 0). | INT | Yes | 0 to 2147483647 |

### Kling V3 Inputs

| Parameter | Description | Data Type | Required | Range |
| - | - | - | - | - |
| `resolution` | The resolution for the generated video (default: `"1080p"`). | COMBO | Yes | `"4k"`<br />`"1080p"`<br />`"720p"` |

**Note:** The `first_frame` and `end_frame` images must be at least 300x300 pixels and have an aspect ratio between 1:2.5 and 2.5:1 for the node to function correctly. The `prompt` must be between 1 and 2500 characters. The `resolution` option maps to a Kling generation mode: `"4k"`, `"1080p"` (pro), and `"720p"` (standard).

## Outputs

| Output Name | Description | Data Type |
| - | - | - |
| `output` | The generated video file. | VIDEO |

> This documentation was AI-generated. If you find any errors or have suggestions for improvement, please feel free to contribute! [Edit on GitHub](https://github.com/Comfy-Org/embedded-docs/blob/main/comfyui_embedded_docs/docs/KlingFirstLastFrameNode/en.md)

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