Invoke Service

Invoke Service#

Synchronously invoke a function service.

POST /serverless/v1/functions/{functionVersionURN}/invocations

Path Parameters:

Parameter	Required	Type	Description
functionVersionURN	Yes	String	Function version URN.

Request Header Parameters

Parameter	Required	Type	Description
Content-Type	Yes	string	Message body type. Value: It is recommended to use application/json.
X-Instance-Cpu	No	string	CPU required for the function instance.
X-Instance-Memory	No	string	Memory required for the function instance.
X-Instance-Custom-Resource	No	string	Custom resources required for the function instance.
X-Pool-Label	No	string	Resource pool label for affinity scheduling of the function instance.
X-Instance-Label	No	string	Run on function instances with this label.
X-Instance-Session	No	string	Specify an instance session for invocation; the session is uniquely bound to the instance. Example: {“sessionID”:“abc”,“sessionTTL”:10,“concurrency”: 5}, where sessionID does not exceed 63 characters, sessionTTL is not less than 0 (unit: seconds), and concurrency cannot exceed the concurrentNum configured in the function. When concurrency is -1, it indicates exclusive use of the entire function instance.

Request Body Parameters

Custom format defined by the user function.

Custom format defined by the user function.

POST {frontend endpoint}/serverless/v1/functions/{functionVersionURN}/invocations

{
    "name":"yuanrong"
}

Status Code: 200

Indicates successful function invocation.

"hello yuanrong"