Items - Create ML Experiment

Creates a machine learning experiment in the specified workspace.

This API supports long running operations (LRO).

This API does not support create an machine learning experiment with definition.

Permissions

The caller must have contributor or higher workspace role.

Required Delegated Scopes

MLExperiment.ReadWrite.All or Item.ReadWrite.All

Limitations

  • To create a machine learning experiment the workspace must be on a supported Fabric capacity. For more information see: Microsoft Fabric license types.

Microsoft Entra supported identities

This API supports the Microsoft identities listed in this section.

Identity Support
User Yes
Service principal No
Managed identities No

Interface

POST https://api.fabric.microsoft.com/v1/workspaces/{workspaceId}/mlExperiments

URI Parameters

Name In Required Type Description
workspaceId
path True

string

uuid

The workspace ID.

Request Body

Name Required Type Description
displayName True

string

The machine learning experiment display name. The display name must follow naming rules according to item type.

description

string

The machine learning experiment description. Maximum length is 256 characters.

Responses

Name Type Description
201 Created

MLExperiment

Successfully created

202 Accepted

Request accepted, machine learning experiment provisioning in progress.

Headers

  • Location: string
  • x-ms-operation-id: string
  • Retry-After: integer
Other Status Codes

ErrorResponse

Common error codes:

  • InvalidItemType - Item type is invalid.

  • ItemDisplayNameAlreadyInUse - Item display name is already used.

  • CorruptedPayload - The provided payload is corrupted.

Examples

Create a machine learning experiment example

Sample request

POST https://api.fabric.microsoft.com/v1/workspaces/cfafbeb1-8037-4d0c-896e-a46fb27ff229/mlExperiments

{
  "displayName": "MLExperiment_1",
  "description": "A machine learning experiment description"
}

Sample response

{
  "displayName": "MLExperiment_1",
  "description": "A machine learning experiment description",
  "type": "MLExperiment",
  "workspaceId": "cfafbeb1-8037-4d0c-896e-a46fb27ff229",
  "id": "5b218778-e7a5-4d73-8187-f10824047715"
}
Location: https://api.fabric.microsoft.com/v1/operations/0acd697c-1550-43cd-b998-91bfbfbd47c6
x-ms-operation-id: 0acd697c-1550-43cd-b998-91bfbfbd47c6
Retry-After: 30

Definitions

Name Description
CreateMLExperimentRequest

Create machine learning experiment request payload.

ErrorRelatedResource

The error related resource details object.

ErrorResponse

The error response.

ErrorResponseDetails

The error response details.

ItemType

The type of the item. Additional item types may be added over time.

MLExperiment

A machine learning experiment object.

CreateMLExperimentRequest

Create machine learning experiment request payload.

Name Type Description
description

string

The machine learning experiment description. Maximum length is 256 characters.

displayName

string

The machine learning experiment display name. The display name must follow naming rules according to item type.

ErrorRelatedResource

The error related resource details object.

Name Type Description
resourceId

string

The resource ID that's involved in the error.

resourceType

string

The type of the resource that's involved in the error.

ErrorResponse

The error response.

Name Type Description
errorCode

string

A specific identifier that provides information about an error condition, allowing for standardized communication between our service and its users.

message

string

A human readable representation of the error.

moreDetails

ErrorResponseDetails[]

List of additional error details.

relatedResource

ErrorRelatedResource

The error related resource details.

requestId

string

ID of the request associated with the error.

ErrorResponseDetails

The error response details.

Name Type Description
errorCode

string

A specific identifier that provides information about an error condition, allowing for standardized communication between our service and its users.

message

string

A human readable representation of the error.

relatedResource

ErrorRelatedResource

The error related resource details.

ItemType

The type of the item. Additional item types may be added over time.

Name Type Description
Dashboard

string

PowerBI dashboard.

DataPipeline

string

A data pipeline.

Datamart

string

PowerBI datamart.

Environment

string

An environment.

Eventhouse

string

An eventhouse.

Eventstream

string

An eventstream.

KQLDashboard

string

A KQL dashboard.

KQLDatabase

string

A KQL database.

KQLQueryset

string

A KQL queryset.

Lakehouse

string

A lakehouse.

MLExperiment

string

A machine learning experiment.

MLModel

string

A machine learning model.

MirroredDatabase

string

A mirrored database.

MirroredWarehouse

string

A mirrored warehouse.

Notebook

string

A notebook.

PaginatedReport

string

PowerBI paginated report.

Report

string

PowerBI report.

SQLEndpoint

string

An SQL endpoint.

SemanticModel

string

PowerBI semantic model.

SparkJobDefinition

string

A spark job definition.

Warehouse

string

A warehouse.

MLExperiment

A machine learning experiment object.

Name Type Description
description

string

The item description.

displayName

string

The item display name.

id

string

The item ID.

type

ItemType

The item type.

workspaceId

string

The workspace ID.