ListRules - EventBridge - Alibaba Cloud Documentation Center

Queries all rules of an event bus.

Operation description

You can call this API operation to query all rules of an event bus.

Debugging

OpenAPI Explorer automatically calculates the signature value. For your convenience, we recommend that you call this operation in OpenAPI Explorer.

Debug

Authorization information

The following table shows the authorization information corresponding to the API. The authorization information can be used in the Action policy element to grant a RAM user or RAM role the permissions to call this API operation. Description:

Operation: the value that you can use in the Action element to specify the operation on a resource.
Access level: the access level of each operation. The levels are read, write, and list.
Resource type: the type of the resource on which you can authorize the RAM user or the RAM role to perform the operation. Take note of the following items:
- The required resource types are displayed in bold characters.
- If the permissions cannot be granted at the resource level, All Resources is used in the Resource type column of the operation.
Condition Key: the condition key that is defined by the cloud service.
Associated operation: other operations that the RAM user or the RAM role must have permissions to perform to complete the operation. To complete the operation, the RAM user or the RAM role must have the permissions to perform the associated operations.

Operation	Access level	Resource type	Condition key	Associated operation
eventbridge:ListRules	Read	Rule acs:eventbridge:{#regionId}:{#accountId}:eventbus/{#eventbusId}/rule/*	none	none

Request parameters

Parameter	Type	Required	Description	Example
RuleNamePrefix	string	No	The prefix of the rule name.	test
Limit	integer	No	The maximum number of entries to be returned in a single call. You can use this parameter and the NextToken parameter to implement paging. A maximum of 100 entries can be returned in a single call.	50
NextToken	string	No	If you set the Limit parameter and excess return values exist, this parameter is returned.	1000
EventBusName	string	Yes	The name of the event bus.	default

Response parameters

Parameter	Type	Description	Example
	object
Message	string	The error message that is returned if the request failed.	Specified parameter Limit is not valid.
RequestId	string	The request ID.	C7043799-F4DA-5290-9249-97C359876D97
Data	object	The data returned.
NextToken	string	If excess return values exist, this parameter is returned.	1000
Total	integer	The total number of entries.	6
Rules	object []	The rules.
DetailMap	object	The details of the event rule.
Status	string	The status of the event rule. Valid values: ENABLE: The event rule is enabled. It is the default state of the event rule. DISABLE: The event rule is disabled.	ENABLE
EventBusName	string	The name of the event bus.	demo
RuleARN	string	The Alibaba Cloud Resource Name (ARN) of the rule.	acs:eventbridge:cn-hangzhou:123456789098****:eventbus/default/rule/myRule3
Description	string	The rule description.	demo
Targets	object []	The event targets.
Type	string	The type of the event target. For more information, see Event target parameters.	acs.mns.queue
Endpoint	string	The endpoint of the event target.	acs:mns:cn-hangzhou:123456789098****:queues/myqueue
Id	string	The ID of the custom event target.	177
PushSelector	string	The transformer that is used to push events.	MATCHED_EVENT
FilterPattern	string	The event pattern, in JSON format. Valid values: stringEqual pattern stringExpression pattern Each field can have a maximum of five expressions in the map data structure. Each field can have a maximum of five expressions in the map data structure.	{\"source\":[\"acs.oss\"],\"type\":[\"oss:BucketQueried:GetBucketStat\"]}
CreatedTimestamp	long	The creation timestamp.	1607071602000
RuleName	string	The name of the event rule.	tf-testacc-rule
Code	string	The error code. The value Success indicates that the request is successful.	Success
Success	boolean	Indicates whether the request was successful. Valid values: true and false.	true

Examples

Sample success responses

JSONformat

{
  "Message": "Specified parameter Limit is not valid.",
  "RequestId": "C7043799-F4DA-5290-9249-97C359876D97",
  "Data": {
    "NextToken": "1000",
    "Total": 6,
    "Rules": [
      {
        "DetailMap": {
          "test": "test",
          "test2": 1
        },
        "Status": "ENABLE",
        "EventBusName": "demo",
        "RuleARN": "acs:eventbridge:cn-hangzhou:123456789098****:eventbus/default/rule/myRule3",
        "Description": "demo",
        "Targets": [
          {
            "Type": "acs.mns.queue\n",
            "Endpoint": "acs:mns:cn-hangzhou:123456789098****:queues/myqueue",
            "Id": "177",
            "PushSelector": "MATCHED_EVENT",
            "ErrorsTolerance": ""
          }
        ],
        "FilterPattern": "{\\\"source\\\":[\\\"acs.oss\\\"],\\\"type\\\":[\\\"oss:BucketQueried:GetBucketStat\\\"]}\n",
        "CreatedTimestamp": 1607071602000,
        "RuleName": "tf-testacc-rule"
      }
    ]
  },
  "Code": "Success",
  "Success": true
}

Error codes

HTTP status code	Error code	Error message
403	ServiceNotEnable	Service not enable

For a list of error codes, visit the Service error codes.

Change history

Change time

Summary of changes

Operation

2023-07-04

The Error code has changed. The response structure of the API has changed

see changesets

Change item	Change content
Error Codes	The Error code has changed.
	delete Error Codes: 403
Output Parameters	The response structure of the API has changed.