Working with Esri ArcGIS Feature Services in FME

Introduction

The FME Platform has long supported Esri ArcGIS Online, Esri ArcGIS Enterprise Portal, and Esri ArcGIS Server feature services via three separate formats (reader/writer combos) that ship with an FME install, as well as via the ArcGISOnlineConnector transformer included with the Esri ArcGIS Online Connector package. As these three shipped formats evolved in parallel, it became clear that there was significant overlap in their core functionality, rendering their separation increasingly redundant. The decision was therefore made to collapse the three shipped feature service formats into a single, convenient packaged format, leading to a full-scale redesign of the Esri ArcGIS Online Connector package.

Now, the former Esri ArcGIS Online Connector package has been renamed the Esri ArcGIS Connector package to better reflect its broader, streamlined support for Esri ArcGIS feature services across the FME Platform. This article provides an overview of the new package components and explains how to capture the enhanced Esri ArcGIS feature service support in FME Form and Flow 2024+.

The New Esri ArcGIS Connector Package - An Overview

As of version 3.10.0, the new Esri ArcGIS Connector package provides FME users with the full functionality of the three older, shipped Esri ArcGIS Feature Service formats, all rolled into a single, simplified package. This new package also introduces support for feature service attachments, and provides advanced branch version support. Version 3.10.0+ of the new package is available for direct download from FME Hub or via in-product install as of FME Form 2024 build 24187.

In all, the new Esri ArcGIS Connector package includes:

The new Esri ArcGIS Feature Service reader/writer (SAFE.ESRI-AGOL.ARCGISFEATURESERVICE) provides the full functionality of the older, shipped Esri ArcGIS Online Feature Service format, Esri ArcGIS Enterprise Portal Feature Service format, and Esri ArcGIS Server Feature Service format, rolled into a single, convenient package. Once installed, users can apply the new Esri ArcGIS Feature Service reader/writer to support ArcGIS Online or ArcGIS Enterprise feature services in FME 2024+ workflows wherever required.
The new ArcGISAttachmentConnector transformer is dedicated to working with ArcGIS feature service attachments. Users can now add, delete, download, list, or update attachments of feature services.
The new ArcGISBranchVersionManager is a new transformer that connects to an ArcGIS Enterprise Version Management Server to manage the branch versions of a target feature service.
The ArcGISOnlineConnector transformer remains from the older Esri ArcGIS Online Connector package. It continues to provide file management support for ArcGIS Online and ArcGIS Enterprise content, including adjusting an item's sharing settings, retrieving and modifying an item's metadata, and publishing items as hosted feature layers. The main change for the new version of the ArcGISOnlineConnector is in the web services it now recognizes; see the Breaking Change listed below for details.
The Esri ArcGIS Enterprise OAuth (Template) (safe.esri-agol) web service will replace the older Esri ArcGIS Portal (Template) web service to build web connections to Esri ArcGIS Enterprise Portal feature services using the new package format and transformers. This new web service can be configured following instructions in How to Create an ArcGIS Enterprise Portal Web Connection (OAuth 2.0); be sure to choose the Esri ArcGIS Enterprise OAuth (Template) (safe.esri-agol) web service in Part 1 - Step 2, not the older Esri ArcGIS Portal (Template) web service.
The Esri ArcGIS Online OAuth (safe.esri-agol) web service will replace the older Esri ArcGIS Online web service to build web connections to Esri ArcGIS Online feature services using the new package format and transformers. This new web service can be configured following instructions in How to Create an ArcGIS Online Web Connection (OAuth 2.0); be sure to choose the new Esri ArcGIS Online OAuth (safe.esri-agol) web service in Part 1 - Step 2, not the older Esri ArcGIS Online web service
The Esri ArcGIS Generate Token (safe.esri-agol) web service will be used if token authentication is preferred. This web service will both generate the token and apply it to the follow-on web connection for authentication with the target ArcGIS Online or ArcGIS Enterprise host. No further configuration is required for this web service. Please see the details in the Web Service Set Up Instructions section of this web service's definition (as viewed in FME Workbench > Tools > FME Options > Manage Services) for how to choose the most appropriate Token URL to apply when creating a web connection.
The Esri ArcGIS Provide Token (safe.esri-agol) web service will be used if token authentication is preferred, and an access token has already been generated. No further configuration is required for this web service. Users will be prompted to provide their access token when creating a web connection.
The Esri ArcGIS Login (safe.esri-agol) web service allows access to Esri feature services via authentication methods that do not follow the OAuth 2.0 grant flows. These methods include Basic, Digest, or NTLM authentication. No additional configuration is required for this web service; simply add a new web connection in FME Workbench > Tools > FME Options > Web Connections, and choose this web service when prompted. Just note that most ArcGIS Enterprise instances do not support Basic or Digest authentication. Please verify the authentication methods supported by your ArcGIS feature service host before applying this web service.
The Esri ArcGIS App Authentication (safe.esri-agol) web service allows access to Esri ArcGIS Online and Esri ArcGIS Enterprise Portal feature services via the App Authentication method detailed in Esri's Introduction to app authentication guide. Please refer to the linked Esri document for details on how to configure app authentication in your Esri ArcGIS Online or ArcGIS Enterprise Portal environment. Once app authentication has been successfully configured in the target Esri environment, users can apply this web service as-is in FME, to build their app authentication web connection. No further configuration is required to use this web service in building a web connection.
- Please see the details in the Web Service Set Up Instructions section of this web service's definition (as viewed in FME Workbench > Tools > FME Options > Manage Services) for some additional details about the use of this web service.
- Users who grant only item access privileges to their Esri developer credential, must manually enter the Item ID of their target Esri ArcGIS Online or Enterprise feature service directly into the Feature Service parameter of the Esri ArcGIS Feature Service format. The Item ID must be enclosed in round braces.
  - trying to browse folders or browse feature services, by selecting the ellipses next to the Folder or Feature Service parameter, will trigger an error with item-only scoped app authentication. Leave the Folder parameter set at its default value, and manually enter the target feature service's Item ID into the Feature Service parameter.

All web services recognized by the new Esri ArcGIS Connector packaged format and transformers have names that end in (safe.esri-agol). Ensure the web service chosen for working with the new Esri ArcGIS Feature Service format, ArcGISOnlineConnector, ArcGISAttachmentConnector, or ArcGISBranchVersionManager has a name ending in (safe.esri-agol). Web services recognized by older, shipped formats will not work with the Esri ArcGIS Connector package components.

Installing the New Esri ArcGIS Connector Package

Users who are currently working with FME Form and Flow 2024 (build 24187) or newer, and who have not already installed the older Esri ArcGIS Online Connector package, can readily install the new Esri ArcGIS Connector package by simply adding one of the package's canvas objects (e.g., ArcGISOnlineConnector transformer) to a canvas in FME Workbench 2024+. This will prompt the download and installation of the newest version of the Esri ArcGIS Connector package to the version of FME Form in use.

Once users choose Install in the FME Hub pop-up dialog, the Esri ArcGIS Connector package install messages will begin appearing in the Translation Log window. The FME Package install summary displays each installed package component and concludes with the package's installation location.

Repeat this procedure for all versions of FME Form 2024+ where Esri ArcGIS feature service support will be needed.

Upgrading the Older Esri ArcGIS Online Connector Package - Breaking Change

Users who are currently working with FME Form 2024 (build 24187) or newer, and who have already installed the older Esri ArcGIS Online Connector package, can navigate to FME Workbench > Tools > FME Options > FME Packages to upgrade the older package to the newer Esri ArcGIS Connector package. Simply highlight the older Esri ArcGIS Online Connector package in the installed packages list, then choose the Upgrade option near the bottom-right of the dialog.

An upgrade warning will pop up in a separate dialog, letting users review the new connector's parameters and options before the full upgrade is applied.

It is recommended that users leave the "Create a backup of my Workspace" option enabled, as upgrading a transformer is irreversible once it is completed.

Selecting Upgrade on the Upgrading Transformer warning dialog will prompt the full Upgrade safe.esri-agol.ArcGISOnlineConnector dialog to open. This dialog displays the various parameters and options available in the old and new versions of the ArcGISOnlineConnector.

Breaking Change

In the ArcGISOnlineConnector dialog, users will see that the ArcGIS Connection parameter in the newer version of the ArcGISOnlineConnector appears red, meaning the web connection, which used to work with the old connector version, no longer works with the new connector version. This break in the connector's functionality occurs because the new version of the ArcGISOnlineConnector uses the new web services that ship with the new Esri ArcGIS Connector package, while the older connector relied on the web services tied to the shipped feature service readers or writers. Since these older web services are no longer recognized by the new ArcGISOnlineConnector transformer, their associated web connections cannot be applied to the new connector's ArcGIS Connection parameter.

This invalidation of older Esri feature service web connections means users will need to build new web connections using the new web services installed with the new Esri ArcGIS Connector package. Once these new web services are configured and new follow-on web connections are created, users will be able to upgrade their older ArcGISOnlineConnector transformers by applying one of the new web connections to the ArcGIS Connection parameter in the Upgrade safe.esri-agol.ArcGISOnlineConnector dialog.

Workaround for Breaking Change

As a review of the above breaking change information, users who already have the Esri ArcGIS Online Connector package installed in FME Form 2024+ are encouraged to perform the package and connector upgrade in the following order:

1. Upgrade the Esri ArcGIS Online Connector package

Open FME Workbench 2024+, and navigate to Tools > FME Options > FME Packages. Highlight the Esri ArcGIS Online Connector package shown in the list at right, and then select Upgrade near the bottom right.

Once the package upgrade is successful, the Translation Log window will display messaging indicating that the new Esri ArcGIS Connector package has been installed.

2. Configure the Esri ArcGIS Connector Package Web Service(s) Needed

The new ArcGISOnlineConnector Package will only recognize and work with the web services that ship with the new Esri ArcGIS Connector package. Users should configure the new web service(s) needed for their feature service integrations by navigating to Tools > FME Options > Web Connections > Manage Services. In the Manage Web Services dialog that opens, look through the list on the left for the web services mentioned above, and configure the web service(s) that best meet the needs of the target feature service integration(s) as needed. Use these web services to build web connections that can be applied to the ArcGISOnlineConnector transformer during its upgrade.

3. Return to the Main Canvas and Upgrade Older ArcGISOnlineConnector Transformers

With the package's web services now successfully tested and web connections built from them, return to the main canvas. Right-click on an older ArcGISOnlineConnector in the built workspace, and choose Upgrade Transformer.

In the Upgrade dialog that opens, adjust the red ArcGIS Connection parameter in the right pane to point to one of the new web connections created above. Then select OK in the Upgrade dialog to fully upgrade the transformer and take advantage of the enhanced functionality offered by the new Esri ArcGIS Online package.

4. Test the New ArcGISOnlineConnector

Test the newly upgraded ArcGISOnlineConnector transformer by first accessing its Parameters dialog and confirming all parameter values are correct for the target feature service. Then run the connector and verify that the expected results are returned.

Visibility Change for the Shipped Esri ArcGIS Feature Service Formats

The older Esri ArcGIS Online, ArcGIS Enterprise, and ArcGIS Server Feature Service formats are scheduled to be hidden across the FME Platform as of FME 2026.0. This means that users can still add new instances of these shipped formats until then. Users may notice new messaging in FME 2025 translation or job logs for workspaces that depend on older shipped formats, warning of an upcoming visibility change.

As of FME 2026.0, users will no longer be able to add new instances of the shipped formats to their workspaces. Workspaces that already use these formats will continue to work as expected in FME 2026, but users will begin to see warnings in translation or job logs indicating that the older formats are deprecated, followed by a recommendation to replace them with the newer Esri ArcGIS Feature Service packaged format. Additionally, any new bugs identified against or enhancements requested for the shipped formats will not be considered once these older formats are hidden.

Users are encouraged to migrate their Esri feature service integrations to the new Esri ArcGIS Connector package v.3.10.0+ to prepare for this visibility change. This migration to the new Esri ArcGIS Feature Service packaged format will ensure that Esri feature service integrations in FME continue to make use of a format under active development by Safe Software, once the shipped formats have been hidden.

Migrating From the Older, Shipped Feature Service Formats to the New Packaged Esri ArcGIS Feature Service Format

Please use the following points as guidance for migrating your workspaces from the older, shipped Esri ArcGIS Online, Portal, or Server Feature Service readers/writers to the new Esri ArcGIS Feature Service packaged format.

Migrating from the Esri ArcGIS Online Feature Service Reader/Writer (ARCGISONLINEFEATURES)

While configuring the new Esri ArcGIS Feature Service reader/writer, the Source Type parameter in the Authentication parameter group should be set to ArcGIS Online.

If the original web connection applied to the older Esri ArcGIS Online Feature Service reader/writer made use of the Esri ArcGIS Online web service, create a new web connection by first creating a new Esri ArcGIS Online OAuth (safe.esri-agol) web service. The credentials that were used with the older Esri ArcGIS Online web service (Client ID, Client Secret) can be applied to the new Esri ArcGIS Online OAuth (safe.esri-agol) web service. Once this new web service is performing well in testing, create a new web connection from it.

If you are migrating your older Esri ArcGIS Online web service to the new Esri ArcGIS Online OAuth (safe.esri-agol) web service in FME Workbench 2025.2+, you will see a new Redirect Strategy parameter on the Esri ArcGIS Online OAuth (safe.esri-agol) web service. This new parameter is part of the external browser authentication experience offered in FME Form 2025.2 and newer. You are required to choose a value for this new Redirect Strategy parameter.
- You are encouraged to use the new Loopback Interface Redirect or Proxy Redirect Strategy, as the Embedded Browser is deprecated in FME Form 2025.2+. Choosing Loopback or Proxy Redirect will cause the Redirect URI parameter of the web service to auto-populate. Please ensure your ArcGIS Online application has this auto-populated Redirect URI value added to its list of valid Redirect URLs.

If the original web connection applied to the older Esri ArcGIS Online Feature Service reader/writer made use of the Esri ArcGIS Online Token web service, create a new web connection using the Esri ArcGIS Generate Token (safe.esri-agol) web service.

The Token URL of the new web connection can be set to the same value that was used for the older web connection, or it can be set to the following value: https://www.arcgis.com/sharing/rest/generateToken
The same Username and Password value used for the older web connection can be applied to the Username and Password parameters of the new Generate Token web connection

Migrating from the Esri ArcGIS Portal Feature Service Reader/Writer (ARCGISPORTALFEATURES)

While configuring the new Esri ArcGIS Feature Service reader/writer:

The Source Type parameter in the Authentication parameter group should be set to Enterprise
The Portal URL that was used as the Dataset or Connection Portal URL value in the Esri ArcGIS Portal Feature Service reader/writer should be provided as the Enterprise URL parameter value in the new Esri ArcGIS Feature Service reader/writer

If the original Authentication Type value for the older, shipped reader/writer was Web Service, users will need to create a new web connection using one of the web services that ship with the new Esri ArcGIS Connector package, as follows:

If the web connection applied to the older, shipped Esri ArcGIS Portal Feature Service reader/writer made use of the Esri ArcGIS Portal (Template) web service, create a new Esri ArcGIS Enterprise OAuth (Template) (safe.esri-agol) web service
- The credentials used in the older web service (e.g., Client ID and Client Secret) can be applied to the new Esri ArcGIS Enterprise OAuth (Template) safe.esri-agol web service
- The Authorization, Retrieve Token, and Refresh Token URLs are formatted slightly differently in the new Esri ArcGIS Enterprise OAuth (Template)(safe.esri-agol) web service. Now, the web adapter name in the Enterprise Site URL is no longer hard-coded to 'portal'. Users must now specify the full ArcGIS Enterprise Portal Site URL, as follows: http(s)://webadaptorhost.domain.com/webadaptorname
- If you are migrating your older Esri ArcGIS Portal (Template) web service to the new Esri ArcGIS Enterprise OAuth (safe.esri-agol) in FME Workbench 2025.2+, you will see a new Redirect Strategy parameter on the Esri ArcGIS Enterprise OAuth (safe.esri-agol) web service. This new parameter is part of the new external browser authentication experience offered in FME Form 2025.2 and newer. You are required to choose a value for this new Redirect Strategy parameter.
  - You are encouraged to use the new Loopback Interface Redirect or Proxy Redirect Strategy, as the Embedded Browser is deprecated in FME Form 2025.2+. Choosing Loopback or Proxy Redirect will cause the Redirect URI parameter of the web service to auto-populate. Please ensure your ArcGIS Enterprise Portal application has this auto-populated Redirect URI value added to its list of valid Redirect URLs.
If the web connection used by the older, shipped Esri ArcGIS Portal Feature Service reader/writer used the Esri ArcGIS Portal Token web service, create a new web connection using the Esri ArcGIS Generate Token (safe.esri-agol) web service.
- The Token URL, username, and password parameter values used to create the older Esri ArcGIS Portal Token web connection can be applied to the same-named parameters of the new Generate Token web connection

If the original Authentication Type value for the older, shipped reader/writer was Generate Token, create a new web connection using the new Esri ArcGIS Generate Token (safe.esri-agol) web service

The Token URL, Username, and Password parameter values used to create the older web connection can be used to create the new Generate Token web connection for the new packaged Esri ArcGIS Feature Service reader/writer.

If the original Authentication Type value for the older, shipped Portal reader/writer was Kerberos, choose Kerberos as the Authentication Type value for the new packaged Esri ArcGIS Feature Service reader/writer.

If the original Authentication Type value for the older, shipped Portal reader/writer was Basic, Digest, or NTLM, create a new web connection using the Esri ArcGIS Login (safe.esri-agol) web service, choosing the corresponding Authentication Type value during connection creation.

Migrating from the Esri ArcGIS Server Feature Service Reader/Writer (ARCGISFEATURES)

While configuring the new Esri ArcGIS Feature Service reader/writer:

The Source Type parameter in the Authentication parameter group should be set to Standalone Server
The feature server URL used as the value for the Dataset parameter in the older, shipped Esri ArcGIS Server Feature Service reader/writer should be provided as the Standalone Server URL parameter value in the new, packaged Esri ArcGIS Feature Service reader/writer.

If the original Authentication Type value used with the older, shipped ArcGIS Server reader/writer was None or Kerberos, these values can still be selected as the Authentication Type for in the new, packaged Esri ArcGIS Feature Service reader/writer.

If the original Authentication Type value used with the older, shipped ArcGIS Server reader/writer was Provide Token, create a new web connection using the new Esri ArcGIS Provide Token (safe.esri-agol) web service

You can apply your valid ArcGIS Server token value to this new web connection's Token parameter

If the original Authentication Type used with the older, shipped ArcGIS Server reader/writer was Basic, Digest, or NTLM, create a new web connection using the Esri ArcGIS Login (safe.esri-agol) web service, selecting the corresponding Authentication Type during connection creation.

If a valid token endpoint exists for the target standalone ArcGIS Server site, a new web connection can be created using the Esri ArcGIS Generate Token (safe.esri-agol) web service. This web connection will use the provided Token URL, Username, and Password values to acquire and store a valid ArcGIS Server token.

New Functionality Introduced with the Packaged Esri ArcGIS Feature Service Format

Here is a concise list of the new key features and functionality only available with the new Esri ArcGIS Feature Service format:

Support for four new attribute data types:
- BigInteger
- DateOnly
- TimeOnly
- TimestampOffset
- Note: these attribute data types are supported in ArcGIS Online and in ArcGIS Enterprise 11.3+
A new format attribute, arcgisfeatureservice_feature_url, is available on the Esri ArcGIS Feature Services reader
- Expose the new arcgisfeatureservice_feature_url format attribute using the new reader's Schema Attributes > Additional Attributes to Expose parameter
- This new format attribute contains the URL for each feature contained in the target feature service layer; this feature URL can be used with transformers like the ArcGISAttachmentConnector
When creating new feature services with the new, packaged Esri ArcGIS Feature Service writer:
- Attributes on a new feature service layer can now be created with the 'Unique', 'NotNull', or 'UniqueNotNull' index
  - If an attribute is created with a 'UniqueNotNull' index, this attribute can be used as the 'Upsert Match Column' in upsert workflows
- Attachment support can now be enabled on written layers
Support for two types of true curve geometry is now available: open circular arcs and elliptical arcs
- Enable the Use True Curves feature type parameter to read true curve geometry from feature services, and write true curve geometry to feature services.
  - Please consult our Esri ArcGIS Feature Service Writer documentation for more details on the new Use True Curves feature type parameter, including its current limitations on insert/update actions with aggregate geometry, and on writing Bézier curves.
- The default value for the Use True Curves writer feature type parameter is No. The other value options for the Use True Curves parameter include Yes and Attempt to Preserve.
  - The behavior of the new Esri ArcGIS Feature Service writer, with Use True Curves enabled and Attempt to Preserve selected, includes a check on whether the target feature service supports true curves. If the feature service does support true curve geometry, write requests will not densify feature geometry.
    - This check on true curve support does not specifically check on whether the target feature service supports elliptical arc geometry. If the target feature service does not support elliptical arc geometry (as is the case for feature services hosted in ArcGIS Online) and your input feature geometry contains elliptical arcs, the Use True Curves feature type parameter on the new Esri ArcGIS Feature Service writer should be set to No.
  - If the Use True Curves writer feature type parameter is set to Yes:
    - There will be no check on whether the target feature service supports true curves. Users should confirm that the target feature service supports true curve geometry before selecting Yes for the Use True Curves parameter, or errors will occur while writing input features with true curve geometry.
    - The Advanced > Append File Format writer parameter should be set to Feature Collection. The Append File Format parameter will not be found on the Esri ArcGIS Feature Service reader; this parameter only applies to the Esri ArcGIS Feature Service writer.

Notable Changes in Functionality Between the Older, Shipped Formats and the New Esri ArcGIS Feature Service Format

The following list details some key functionality changes users might notice when migrating from one of the older, shipped Esri feature service formats (e.g., Esri ArcGIS Online Feature Service format) to the new Esri ArcGIS Feature Service packaged format:

The new packaged Esri ArcGIS Feature Service Reader

can read attributes of type date as-is from the hosting server. Instead of returning an FME-formatted datetime value, the reader will now return the UNIX timestamp, expressed in milliseconds since the epoch. To enable this functionality, users should set the Date Format reader parameter to the Unix time in milliseconds option.

The new packaged Esri ArcGIS Feature Service Writer

The Create Feature Service Using File Upload advanced parameter is no longer available
When writing to layers with a GlobalId or OBJECTID attribute included in the writer feature type's User Attributes tab, there will no longer be a warning that these attributes are being ignored. The writer will continue to update/delete attributes by GlobalId/OBJECTID (based on the value of the 'Use Global IDs' parameter)
The Append File Format parameter has been added, and defaults to a value of Feature Collection
- The Append behavior of the older shipped Esri ArcGIS Online Feature Service writer used Feature Collection as its append file format
- The Append behavior of the older shipped Esri ArcGIS Portal Feature Service writer used GeoJSON as its append file format
- The value of Feature Collection for the Append File Format parameter is required to enable some functionality, such as writing true curves
  - Issues with the Append File Format parameter set to Feature Collection have been noted with older ArcGIS Enterprise versions. If the writer's Append actions fail, users should set the writer's Append File Format parameter to GeoJSON and then retry the writer.
    - Append actions include overwriting feature services, creating new feature services, and upserting to feature services
- The Upsert feature operation continues to be an invalid operation when used with fme_db_operation as the value for the writer feature type's Feature Operation parameter

Capturing the New Esri ArcGIS Connector Package in FME Flow

Users should also upgrade the Esri ArcGIS Online Connector package in their FME Flow environments to the new Esri ArcGIS Connector package v3.10.0+. This upgrade will allow users to take advantage of the package's enhanced functionality and to prepare for the visibility change of the older, shipped Esri ArcGIS feature service formats scheduled for the release of FME 2026. Workspaces that already use the older Esri ArcGIS feature service formats will continue functioning as expected in FME Flow after the older, shipped formats are hidden in FME 2026.

However, users will not be able to add new instances of these older formats to workspaces after they are hidden. This means that new Esri ArcGIS feature service integrations built in FME Form 2026 must make use of the new Esri ArcGIS Feature Service packaged format. Publishing and running these workspaces in FME Flow 2026 will require installing or upgrading to the new Esri ArcGIS Connector for FME Flow.

Upgrading to the new Esri ArcGIS Connector package on FME Flow is best done by first performing a complete uninstall of the older Esri ArcGIS Online Connector package from FME Flow, followed by a complete install and extraction of the new Esri ArcGIS Connector package. Please follow the Updating an FME Package in FME Flow section in the Introduction to FME Packages to first uninstall the older package, and then install and fully extract the new package in an FME Flow deployment.

Once the package has been upgraded in the FME Flow environment, users will also have to adjust each workspace published to FME Flow that uses the older ArcGISOnlineConnector by upgrading each older connector to the new ArcGISOnlineConnector. Users can follow the Workaround to Breaking Change instructions above to upgrade the ArcGISOnlineConnector transformers in FME Form, then republish the adjusted workspaces to FME Flow.

Related Resources

How to Create an ArcGIS Online Web Connection (OAuth 2.0)

How to Create an ArcGIS Enterprise Portal Web Connection (OAuth 2.0)

ArcGIS Online Web Connection Troubleshooting

Tutorial: Getting Started with ArcGIS Online and Portal

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