> ## Documentation Index
> Fetch the complete documentation index at: https://apidoc.cometapi.com/llms.txt
> Use this file to discover all available pages before exploring further.
# 建立 Kling 多模態編輯任務
> 透過 CometAPI 建立 Kling 多模態影片編輯任務：POST /kling/v1/videos/multi-elements，以組合多個元素並非同步產生影片。
使用此端點在您的工作階段與選擇都準備完成後，提交最終的多模態影片編輯作業。
## 完整流程
先從 [初始化待編輯影片](./initialize-video-for-editing) 開始，以取得您要編輯片段的 `session_id`。
使用 [新增影片選取範圍](./add-video-selection)，並在需要時使用 [預覽已選取的影片區域](./preview-selected-video-area) 來微調編輯區域。
透過此端點傳送 `session_id`、`edit_mode`、最終 `prompt`，以及任何可選的產生設定，然後儲存回傳的 task id 以供狀態查詢。
## 呼叫前請先確認
* 確保選取工作階段已完成初始化
* 在耗用一次產生呼叫之前，確認您的區域選取正確無誤
* 在同一個帳戶下，並使用初始化時回傳的確切 `session_id`，執行選取後續呼叫
* 將 `edit_mode` 設為 `addition`、`swap` 或 `removal`
* `addition` 和 `swap` 需提供 `image_list`；`removal` 則省略 `image_list`
* 將 `duration` 以字串傳送，例如 `"5"` 或 `"10"`；範例會明確傳入 `"5"`
* 將此路由視為最終產生步驟，而不是設定步驟
* 僅在編輯流程需要時才加入 `image_list`、`negative_prompt`、`mode`、`duration`、`callback_url` 或 `external_task_id`
如需完整參數參考，請參閱 [Kling API 文件](https://kling.ai/document-api/apiReference/model/multiElements)。
## OpenAPI
````yaml api/openapi/video/kling/multimodal-video-editing/post-create-task.openapi.json POST /kling/v1/videos/multi-elements
openapi: 3.1.0
info:
title: Create Task API
version: 1.0.0
description: >-
Submit the final Kling multimodal video-editing job after the selection
session is ready.
servers:
- url: https://api.cometapi.com
security:
- bearerAuth: []
paths:
/kling/v1/videos/multi-elements:
post:
summary: Create a Kling multimodal edit task
description: >-
Send the `session_id`, `edit_mode`, and final edit prompt after the
selection area has already been prepared.
operationId: create_task
requestBody:
required: true
content:
application/json:
schema:
type: object
required:
- session_id
- edit_mode
- prompt
allOf:
- if:
properties:
edit_mode:
const: addition
required:
- edit_mode
then:
required:
- image_list
- if:
properties:
edit_mode:
const: swap
required:
- edit_mode
then:
required:
- image_list
properties:
session_id:
type: string
description: >-
Selection session id returned by init-selection. Follow-up
calls must use the same account and exact session id.
edit_mode:
type: string
description: >-
Editing operation for the selected video region. Use
`addition` to add an element, `swap` to replace a selected
element, or `removal` to remove it.
enum:
- addition
- swap
- removal
prompt:
type: string
description: >-
Instruction describing the desired edit. Reference the
source video as `<<>>` and any reference image as
`<<>>`.
model_name:
type: string
description: >-
Kling model variant for the final edit task. Omit to use
`kling-v1-6`.
enum:
- kling-v1-6
default: kling-v1-6
image_list:
type: array
description: >-
Image references used by `addition` and `swap` tasks. Omit
this field for `removal` tasks.
minItems: 1
items:
type: object
required:
- image
properties:
image:
type: string
negative_prompt:
type: string
description: Elements to avoid in the edited result.
mode:
type: string
description: Generation mode. Use `std` or `pro`.
enum:
- std
- pro
duration:
type: string
description: Requested output duration in seconds.
callback_url:
type: string
description: Webhook URL to receive task status updates.
external_task_id:
type: string
description: >-
Custom task id for your own tracking. Must be unique per
account.
default:
session_id:
edit_mode: removal
prompt: Delete the selected object from <<>>
mode: std
duration: '5'
examples:
Default:
summary: Multi-elements edit task
value:
session_id:
edit_mode: removal
prompt: Delete the selected object from <<>>
mode: std
duration: '5'
Addition:
summary: Add an image element to the selected area
value:
session_id:
edit_mode: addition
image_list:
- image: https://your-image-host/object-to-add.jpg
prompt: >-
Add <<>> naturally into <<>> at the
selected area
mode: std
duration: '5'
Swap:
summary: Swap the selected element with an image reference
value:
session_id:
edit_mode: swap
image_list:
- image: https://your-image-host/new-object.jpg
prompt: >-
Use <<>> to replace the selected object in
<<>>
mode: std
duration: '5'
responses:
'200':
description: Task accepted.
content:
application/json:
schema:
type: object
required:
- code
- message
- data
properties:
code:
type: integer
message:
type: string
data:
type: object
properties:
task_id:
type: string
task_status:
type: string
created_at:
type: integer
updated_at:
type: integer
additionalProperties: true
x-codeSamples:
- lang: Shell
label: Default
source: |
curl https://api.cometapi.com/kling/v1/videos/multi-elements \
-H "Authorization: Bearer $COMETAPI_KEY" \
-H "Content-Type: application/json" \
-d '{
"session_id": "",
"edit_mode": "removal",
"prompt": "Delete the selected object from <<>>",
"mode": "std",
"duration": "5"
}'
- lang: Python
label: Default
source: |
import os
import requests
response = requests.post(
"https://api.cometapi.com/kling/v1/videos/multi-elements",
headers={"Authorization": "Bearer " + os.environ["COMETAPI_KEY"]},
json={
"session_id": "",
"edit_mode": "removal",
"prompt": "Delete the selected object from <<>>",
"mode": "std",
"duration": "5"
},
)
result = response.json()
print(result.get("code"), result.get("data", {}).get("task_id"))
- lang: JavaScript
label: Default
source: >
const response = await
fetch("https://api.cometapi.com/kling/v1/videos/multi-elements", {
method: "POST",
headers: {
Authorization: `Bearer ${process.env.COMETAPI_KEY}`,
"Content-Type": "application/json",
},
body: JSON.stringify({
"session_id": "",
"edit_mode": "removal",
"prompt": "Delete the selected object from <<>>",
"mode": "std",
"duration": "5"
}),
});
const result = await response.json();
console.log(result.code, result.data?.task_id);
components:
securitySchemes:
bearerAuth:
type: http
scheme: bearer
description: Bearer token authentication. Use your CometAPI key.
````