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Application Real-Time Monitoring Service:GetTagVal

Last Updated:Feb 02, 2026

Retrieves the tag values for a specified tag key from reported traces.

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RAM authorization

The table below describes the authorization required to call this API. You can define it in a Resource Access Management (RAM) policy. The table's columns are detailed below:

  • Action: The actions can be used in the Action element of RAM permission policy statements to grant permissions to perform the operation.

  • API: The API that you can call to perform the action.

  • Access level: The predefined level of access granted for each API. Valid values: create, list, get, update, and delete.

  • Resource type: The type of the resource that supports authorization to perform the action. It indicates if the action supports resource-level permission. The specified resource must be compatible with the action. Otherwise, the policy will be ineffective.

    • For APIs with resource-level permissions, required resource types are marked with an asterisk (*). Specify the corresponding Alibaba Cloud Resource Name (ARN) in the Resource element of the policy.

    • For APIs without resource-level permissions, it is shown as All Resources. Use an asterisk (*) in the Resource element of the policy.

  • Condition key: The condition keys defined by the service. The key allows for granular control, applying to either actions alone or actions associated with specific resources. In addition to service-specific condition keys, Alibaba Cloud provides a set of common condition keys applicable across all RAM-supported services.

  • Dependent action: The dependent actions required to run the action. To complete the action, the RAM user or the RAM role must have the permissions to perform all dependent actions.

Action

Access level

Resource type

Condition key

Dependent action

xtrace:SearchTrace

get

*All Resource

*

None None

Request parameters

Parameter

Type

Required

Description

Example

RegionId

string

No

The region ID.

cn-beijing

ServiceName

string

No

The service name. This is also called the application name.

appTest

SpanName

string

No

The span name. This is also called the operation name.

createOrder

TagKey

string

Yes

The tag key.

For more information, see GetTagKey.

span.kind

StartTime

integer

No

The start time. The time is accurate to the millisecond (ms).

Important This field is a Long data type. Precision may be lost during serialization or deserialization. The value cannot be greater than 9007199254740991.

1575561600000

EndTime

integer

No

The end time. The time is accurate to the millisecond (ms).

Important This field is a Long data type. Precision may be lost during serialization or deserialization. The value cannot be greater than 9007199254740991.

1575622455686

Response elements

Element

Type

Description

Example

object

RequestId

string

The request ID.

1E2B6A4C-6B83-4062-8B6F-AEEC1F******

TagValues

object

TagValue

array

string

A list of tag values.

{"TagValue":["server"]}

Examples

Success response

JSON format

{
  "RequestId": "1E2B6A4C-6B83-4062-8B6F-AEEC1F******",
  "TagValues": {
    "TagValue": [
      "{\"TagValue\":[\"server\"]}"
    ]
  }
}

Error codes

See Error Codes for a complete list.

Release notes

See Release Notes for a complete list.