Sends a signal to a resource in a stack.
Debugging
Authorization information
Request syntax
POST /V2/SignalResource
GET /V2/SignalResource
Request parameters
Parameter | Type | Required | Description | Example |
---|---|---|---|---|
StackId | string | Yes | The ID of the stack. | 4a6c9851-3b0f-4f5f-b4ca-a14bf691**** |
Status | string | Yes | The status of the signal. Failure signals can cause stack creation or update to fail. If all signals are warnings, the stack cannot be created or updated. Valid values:
| SUCCESS |
RegionId | string | Yes | The region ID of the stack. You can call the DescribeRegions operation to query the most recent region list. | cn-hangzhou |
UniqueId | string | Yes | The unique ID of the signal. The ID must be 1 to 64 characters in length. If multiple signals are sent to a single resource, each signal must have a unique ID. | 27c7347b-352a-4377-accf-63d361c1**** |
ClientToken | string | No | The client token that is used to ensure the idempotence of the request. You can use the client to generate the value, but you must ensure that it is unique among different requests. The token can be up to 64 characters in length and can contain letters, digits, hyphens (-) and underscores (_). For more information, see How to ensure idempotence. | 123e4567-e89b-12d3-a456-42665544**** |
LogicalResourceId | string | Yes | The logical ID of the resource as defined in the template. | WebServer |
Response parameters
Examples
Sample success responses
JSON
format
{
"RequestId": "B288A0BE-D927-4888-B0F7-B35EF84B6E6"
}
Error codes
For a list of error codes, visit the Service error codes.
Change history
Change time | Summary of changes | Operation | ||
---|---|---|---|---|
2023-08-15 | The internal configuration of the API is changed, but the call is not affected | see changesets | ||
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