diff --git a/README.md b/README.md
index 043ab88..25e7563 100644
--- a/README.md
+++ b/README.md
@@ -18,12 +18,22 @@ A package to send messages to a Microsoft Teams channel.
- [Features](#features)
- [Project Status](#project-status)
- [Supported Releases](#supported-releases)
+ - [Plans: v2](#plans-v2)
+ - [Plans: v3](#plans-v3)
- [Changelog](#changelog)
- [Usage](#usage)
- [Add this project as a dependency](#add-this-project-as-a-dependency)
- - [Webhook URLs](#webhook-urls)
- - [Expected format](#expected-format)
- - [How to create a webhook URL (Connector)](#how-to-create-a-webhook-url-connector)
+ - [Setup a connection to Microsoft Teams](#setup-a-connection-to-microsoft-teams)
+ - [Overview](#overview-1)
+ - [Workflow connectors](#workflow-connectors)
+ - [Workflow webhook URL format](#workflow-webhook-url-format)
+ - [How to create a Workflow connector webhook URL](#how-to-create-a-workflow-connector-webhook-url)
+ - [Using Teams client Workflows context option](#using-teams-client-workflows-context-option)
+ - [Using Teams client app](#using-teams-client-app)
+ - [Using Power Automate web UI](#using-power-automate-web-ui)
+ - [O365 connectors](#o365-connectors)
+ - [O365 webhook URL format](#o365-webhook-url-format)
+ - [How to create an O365 connector webhook URL](#how-to-create-an-o365-connector-webhook-url)
- [Examples](#examples)
- [Basic](#basic)
- [Specify proxy server](#specify-proxy-server)
@@ -46,12 +56,14 @@ inclusion into the project.
## Overview
The `goteamsnotify` package (aka, `go-teams-notify`) allows sending messages
-to a Microsoft Teams channel. These messages can be composed of legacy
+to a Microsoft Teams channel. These messages can be composed of
+[π« deprecated][o365-connector-retirement-announcement] legacy
[`MessageCard`][msgcard-ref] or [`Adaptive Card`][adaptivecard-ref] card
formats.
Simple messages can be created by specifying only a title and a text body.
-More complex messages may be composed of multiple sections (`MessageCard`) or
+More complex messages may be composed of multiple sections ([π«
+deprecated][o365-connector-retirement-announcement] `MessageCard`) or
containers (`Adaptive Card`), key/value pairs (aka, `Facts`) and externally
hosted images. See the [Features](#features) list for more information.
@@ -64,12 +76,13 @@ Microsoft Teams.
- Submit simple or complex messages to Microsoft Teams
- simple messages consist of only a title and a text body (one or more
strings)
- - complex messages may consist of multiple sections (`MessageCard`),
+ - complex messages may consist of multiple sections ([π«
+ deprecated][o365-connector-retirement-announcement] `MessageCard`),
containers (`Adaptive Card`) key/value pairs (aka, `Facts`) and externally
hosted images
- Support for Actions, allowing users to take quick actions within Microsoft
Teams
- - [`MessageCard` `Actions`][msgcard-ref-actions]
+ - [π« deprecated][o365-connector-retirement-announcement] [`MessageCard` `Actions`][msgcard-ref-actions]
- [`Adaptive Card` `Actions`][adaptivecard-ref-actions]
- Support for [user mentions][adaptivecard-user-mentions] (`Adaptive
Card` format)
@@ -78,7 +91,8 @@ Microsoft Teams.
patterns
- option to disable validation entirely
- option to use custom validation patterns
-- Configurable validation of `MessageCard` type
+- Configurable validation of [π«
+ deprecated][o365-connector-retirement-announcement] `MessageCard` type
- default assertion that bare-minimum required fields are present
- support for providing a custom validation function to override default
validation behavior
@@ -96,6 +110,7 @@ In short:
- The upstream project is no longer being actively developed or maintained.
- This fork is now a standalone project, accepting contributions, bug reports
and feature requests.
+ - see [Supported Releases](#supported-releases) for details
- Others have also taken an interest in [maintaining their own
forks](https://github.com/atc0005/go-teams-notify/network/members) of the
original project. See those forks for other ideas/changes that you may find
@@ -107,18 +122,43 @@ For more details, see the
## Supported Releases
-| Series | Example | Status |
-| -------- | ---------------- | ------------------- |
-| `v1.x.x` | `v1.3.1` | Not Supported (EOL) |
-| `v2.x.x` | `v2.6.0` | Supported |
-| `v3.x.x` | `v3.0.0-alpha.1` | TBD |
-
-The current plan is to continue extending the v2 branch with new functionality
-while retaining backwards compatibility. Any breakage in compatibility for the
-v2 series is considered a bug (please report it).
-
-Long-term, the goal is to learn from missteps made in current releases and
-correct as many as possible for a future v3 series.
+| Series | Example | Status |
+| -------- | ---------------- | --------------------------------------- |
+| `v1.x.x` | `v1.3.1` | Not Supported (EOL) |
+| `v2.x.x` | `v2.6.0` | Supported (until approximately 2026-01) |
+| `v3.x.x` | `v3.0.0-alpha.1` | Planning (target 2026-01) |
+| `v4.x.x` | `v4.0.0-alpha.1` | TBD |
+
+### Plans: v2
+
+| Task | Start Date / Version | Status |
+| ------------------------------------------------------------ | -------------------- | -------- |
+| support the v2 branch with bugfixes and minor changes | 2020-03-29 (v2.0.0) | Ongoing |
+| add support & documentation for Power Automate workflow URLs | v2.11.0-alpha.1 | Complete |
+
+### Plans: v3
+
+Early January 2026:
+
+- Microsoft [drops support for O365
+ connectors][o365-connector-retirement-announcement] in December 2025
+- we release a v3 branch
+ - drop support for the [π«
+deprecated][o365-connector-retirement-announcement] O365 connectors
+ - drop support for the [π«
+deprecated][o365-connector-retirement-announcement] `MessageCard`) format
+- we drop support for the v2 branch
+ - the focus would be on maintaining the v3 branch with bugfixes and minor
+ changes
+
+> [!NOTE]
+>
+> While the plan for the upcoming v3 series includes dropping support for the
+[π« deprecated][o365-connector-retirement-announcement] `MessageCard` format
+and O365 connectors, the focus would not be on refactoring the overall code
+structure; many of the rough edges currently present in the API would remain
+in the v3 series and await a more focused cleanup effort made in preparation
+for a future v4 series.
## Changelog
@@ -134,20 +174,156 @@ official release is also provided for further review.
See the [Examples](#examples) section for more details.
-### Webhook URLs
-
-#### Expected format
-
-Valid webhook URLs for Microsoft Teams use one of several (confirmed) FQDNs
-patterns:
+### Setup a connection to Microsoft Teams
+
+#### Overview
+
+> [!WARNING]
+>
+> Microsoft announced July 3rd, 2024 that Office 365 (O365) connectors within
+Microsoft Teams would be [retired in 3
+months][o365-connector-retirement-announcement] and replaced by Power Automate
+workflows (or just "Workflows" for short).
+
+Quoting from the microsoft365dev blog:
+
+> We will gradually roll out this change in waves:
+>
+> - Wave 1 - effective August 15th, 2024: All new Connector creation will be
+> blocked within all clouds
+> - Wave 2 - effective October 1st, 2024: All connectors within all clouds
+> will stop working
+
+[Microsoft later changed some of the
+details][o365-connector-retirement-announcement] regarding the retirement
+timeline of O365 connectors:
+
+> Update 07/23/2024: We understand and appreciate the feedback that customers
+> have shared with us regarding the timeline provided for the migration from
+> Office 365 connectors. We have extended the retirement timeline through
+> December 2025 to provide ample time to migrate to another solution such as
+> Power Automate, an app within Microsoft Teams, or Microsoft Graph. Please
+> see below for more information about the extension:
+>
+> - All existing connectors within all clouds will continue to work until
+> December 2025, however using connectors beyond December 31, 2024 will
+> require additional action.
+> - Connector owners will be required to update the respective URL to post
+> by December 31st, 2024. At least 90 days prior to the December 31, 2024
+> deadline, we will send further guidance about making this URL update. If
+> the URL is not updated by December 31, 2024 the connector will stop
+> working. This is due to further service hardening updates being
+> implemented for Office 365 connectors in alignment with Microsoftβs
+> [Secure Future
+> Initiative](https://blogs.microsoft.com/blog/2024/05/03/prioritizing-security-above-all-else/)
+> - Starting August 15th, 2024 all new creations should be created using the
+> Workflows app in Microsoft Teams
+
+Since O365 connectors will likely persist in many environments until the very
+end of the deprecation period this project will [continue to support
+them](#supported-releases) until then alongside Power Automate workflows.
+
+#### Workflow connectors
+
+##### Workflow webhook URL format
+
+Valid Power Automate Workflow URLs used to submit messages to Microsoft Teams
+use this format:
+
+- `https://*.logic.azure.com:443/workflows/GUID_HERE/triggers/manual/paths/invoke?api-version=YYYY-MM-DD&sp=%2Ftriggers%2Fmanual%2Frun&sv=1.0&sig=SIGNATURE_HERE`
+
+Example URL from the LinkedIn [Bring Microsoft Teams incoming webhook security to
+the next level with Azure Logic App][linkedin-teams-webhook-security-article]
+article:
+
+- `https://webhook-jenkins.azure-api.net/manual/paths/invoke?api-version=2016-10-01&sp=%2Ftriggers%2Fmanual%2Frun&sv=1.0&sig=f2QjZY50uoRnX6PIpyPT3xk`
+
+##### How to create a Workflow connector webhook URL
+
+> [!TIP]
+>
+> Use a dedicated "service" account not tied to a specific team member to help
+ensure that the Workflow connector is long lived.
+
+The [initial O365 retirement blog
+post][o365-connector-retirement-announcement] provides a list of templates
+which guide you through the process of creating a Power Automate Workflow
+webhook URL.
+
+###### Using Teams client Workflows context option
+
+1. Navigate to a channel or chat
+1. Select the ellipsis on the channel or chat
+1. Select `Workflows`
+1. Type `when a webhook request`
+1. Select the appropriate template
+ - `Post to a channel when a webhook request is received`
+ - `Post to a chat when a webhook request is received`
+1. Verify that `Microsoft Teams` is successfully enabled
+1. Select `Next`
+1. Select an appropriate value from the `Microsoft Teams Team` drop-down list.
+1. Select an appropriate `Microsoft Teams Channel` drop-down list.
+1. Select `Create flow`
+1. Copy the new workflow URL
+1. Select `Done`
+
+###### Using Teams client app
+
+1. Open `Workflows` application in teams
+1. Select `Create` across the top of the UI
+1. Choose `Notifications` at the left
+1. Select `Post to a channel when a webhook request is received`
+1. Verify that `Microsoft Teams` is successfully enabled
+1. Select `Next`
+1. Select an appropriate value from the `Microsoft Teams Team` drop-down list.
+1. Select an appropriate `Microsoft Teams Channel` drop-down list.
+1. Select `Create flow`
+1. Copy the new workflow URL
+1. Select `Done`
+
+###### Using Power Automate web UI
+
+[This][workflow-channel-post-from-webhook-request] template walks you through
+the steps of creating a new Workflow using the
+ web UI:
+
+1. Select or create a new connection (e.g., ) to Microsoft
+ Teams
+1. Select `Create`
+1. Select an appropriate value from the `Microsoft Teams Team` drop-down list.
+1. Select an appropriate `Microsoft Teams Channel` drop-down list.
+1. Select `Create`
+1. If prompted, read the info message (e.g., "Your flow is ready to go") and
+ dismiss it.
+1. Select `Edit` from the menu across the top
+ - alternatively, select `My flows` from the side menu, then select `Edit`
+ from the "More commands" ellipsis
+1. Select `When a Teams webhook request is received` (e.g., left click)
+1. Copy the `HTTP POST URL` value
+ - this is your *private* custom Workflow connector URL
+ - by default anyone can `POST` a request to this Workflow connector URL
+ - while this access setting can be changed it will prevent this library
+ from being used to submit webhook requests
+
+#### O365 connectors
+
+##### O365 webhook URL format
+
+> [!WARNING]
+>
+> O365 connector webhook URLs are deprecated and [scheduled to be
+retired][o365-connector-retirement-announcement] on 2024-10-01.
+
+Valid (***deprecated***) O365 webhook URLs for Microsoft Teams use one of several
+(confirmed) FQDNs patterns:
- `outlook.office.com`
- `outlook.office365.com`
- `*.webhook.office.com`
- e.g., `example.webhook.office.com`
-Using a webhook URL with any of these FQDN patterns appears to give identical
-results.
+Using an O365 webhook URL with any of these FQDN patterns appears to give
+identical results.
Here are complete, equivalent example webhook URLs from Microsoft's
documentation using the FQDNs above:
@@ -161,7 +337,12 @@ All of these patterns when provided to this library should pass the default
validation applied. See the example further down for the option of disabling
webhook URL validation entirely.
-#### How to create a webhook URL (Connector)
+##### How to create an O365 connector webhook URL
+
+> [!WARNING]
+>
+> O365 connector webhook URLs are deprecated and [scheduled to be
+retired][o365-connector-retirement-announcement] on 2024-10-01.
1. Open Microsoft Teams
1. Navigate to the channel where you wish to receive incoming messages from
@@ -191,7 +372,7 @@ This is an example of a simple client application which uses this library.
- `Adaptive Card`
- File: [basic](./examples/adaptivecard/basic/main.go)
-- `MessageCard`
+- [π« deprecated][o365-connector-retirement-announcement] `MessageCard`
- File: [basic](./examples/messagecard/basic/main.go)
#### Specify proxy server
@@ -201,13 +382,14 @@ route a generated message through a specified proxy server.
- `Adaptive Card`
- File: [basic](./examples/adaptivecard/proxy/main.go)
-- `MessageCard`
+- [π« deprecated][o365-connector-retirement-announcement] `MessageCard`
- File: [basic](./examples/messagecard/proxy/main.go)
#### User Mention
These examples illustrates the use of one or more user mentions. This feature
-is not available in the legacy `MessageCard` card format.
+is not available in the legacy [π«
+deprecated][o365-connector-retirement-announcement] `MessageCard` card format.
- File: [user-mention-single](./examples/adaptivecard/user-mention-single/main.go)
- File: [user-mention-multiple](./examples/adaptivecard/user-mention-multiple/main.go)
@@ -217,7 +399,8 @@ is not available in the legacy `MessageCard` card format.
#### Tables
These examples illustrates the use of a [`Table`][adaptivecard-table]. This
-feature is not available in the legacy `MessageCard` card format.
+feature is not available in the legacy [π«
+deprecated][o365-connector-retirement-announcement] `MessageCard` card format.
- File: [table-manually-created](./examples/adaptivecard/table-manually-created/main.go)
- File: [table-unordered-grid](./examples/adaptivecard/table-unordered-grid/main.go)
@@ -229,18 +412,19 @@ This example illustrates setting a custom user agent.
- `Adaptive Card`
- File: [custom-user-agent](./examples/adaptivecard/custom-user-agent/main.go)
-- `MessageCard`
+- [π« deprecated][o365-connector-retirement-announcement] `MessageCard`
- File: [custom-user-agent](./examples/messagecard/custom-user-agent/main.go)
#### Add an Action
-This example illustrates adding an [`OpenUri`][msgcard-ref-actions]
-(`MessageCard`) or [`OpenUrl`][adaptivecard-ref-actions] Action. When used,
-this action triggers opening a URL in a separate browser or application.
+This example illustrates adding an [`OpenUri`][msgcard-ref-actions] ([π«
+deprecated][o365-connector-retirement-announcement] `MessageCard`) or
+[`OpenUrl`][adaptivecard-ref-actions] Action. When used, this action triggers
+opening a URL in a separate browser or application.
- `Adaptive Card`
- File: [actions](./examples/adaptivecard/actions/main.go)
-- `MessageCard`
+- [π« deprecated][o365-connector-retirement-announcement] `MessageCard`
- File: [actions](./examples/messagecard/actions/main.go)
#### Toggle visibility
@@ -262,7 +446,7 @@ testing purposes).
- `Adaptive Card`
- File: [disable-validation](./examples/adaptivecard/disable-validation/main.go)
-- `MessageCard`
+- [π« deprecated][o365-connector-retirement-announcement] `MessageCard`
- File: [disable-validation](./examples/messagecard/disable-validation/main.go)
#### Enable custom patterns' validation
@@ -272,7 +456,7 @@ URLs.
- `Adaptive Card`
- File: [custom-validation](./examples/adaptivecard/custom-validation/main.go)
-- `MessageCard`
+- [π« deprecated][o365-connector-retirement-announcement] `MessageCard`
- File: [custom-validation](./examples/messagecard/custom-validation/main.go)
## Used by
@@ -288,15 +472,27 @@ using either this library or the original project.
- [Original project](https://github.com/dasrick/go-teams-notify)
- [Forks of original project](https://github.com/atc0005/go-teams-notify/network/members)
+
- Microsoft Teams
- - MS Teams - adaptive cards
+ - Adaptive Cards
([de-de](https://docs.microsoft.com/de-de/outlook/actionable-messages/adaptive-card),
[en-us](https://docs.microsoft.com/en-us/outlook/actionable-messages/adaptive-card))
- - MS Teams - send via connectors
- ([de-de](https://docs.microsoft.com/de-de/outlook/actionable-messages/send-via-connectors),
- [en-us](https://docs.microsoft.com/en-us/outlook/actionable-messages/send-via-connectors))
+ - O365 connectors
+ - [Send via connectors](https://docs.microsoft.com/en-us/outlook/actionable-messages/send-via-connectors))
+ - [Create Incoming Webhooks](https://learn.microsoft.com/en-us/microsoftteams/platform/webhooks-and-connectors/how-to/add-incoming-webhook)
- [adaptivecards.io](https://adaptivecards.io/designer)
- [Legacy actionable message card reference][msgcard-ref]
+ - Workflow connectors
+ - [Creating a workflow from a chat in Teams](https://support.microsoft.com/en-us/office/creating-a-workflow-from-a-channel-in-teams-242eb8f2-f328-45be-b81f-9817b51a5f0e)
+ - [Creating a workflow from a channel in Teams](https://support.microsoft.com/en-us/office/creating-a-workflow-from-a-chat-in-teams-e3b51c4f-49de-40aa-a6e7-bcff96b99edc)
+
+
+
+[o365-connector-retirement-announcement]: "Retirement of Office 365 connectors within Microsoft Teams"
+[workflow-channel-post-from-webhook-request]: "Post to a channel when a webhook request is received"
+[linkedin-teams-webhook-security-article]: "Bring Microsoft Teams incoming webhook security to the next level with Azure Logic App"
[githubtag-image]: https://img.shields.io/github/release/atc0005/go-teams-notify.svg?style=flat
[githubtag-url]: https://github.com/atc0005/go-teams-notify
@@ -314,3 +510,5 @@ using either this library or the original project.
[adaptivecard-ref-actions]:
[adaptivecard-user-mentions]:
[adaptivecard-table]:
+
+