Merge pull request #246 from atc0005/i243-toggle-visibility-support

Initial support for toggling visibility

README.md

@@ -31,6 +31,7 @@ A package to send messages to a Microsoft Teams channel.
  - [Tables](#tables)
  - [Set custom user agent](#set-custom-user-agent)
  - [Add an Action](#add-an-action)
+ - [Toggle visibility](#toggle-visibility)
  - [Disable webhook URL prefix validation](#disable-webhook-url-prefix-validation)
  - [Enable custom patterns' validation](#enable-custom-patterns-validation)
 - [Used by](#used-by)
@@ -242,6 +243,17 @@ this action triggers opening a URL in a separate browser or application.
 - `MessageCard`
  - File: [actions](./examples/messagecard/actions/main.go)
 
+#### Toggle visibility
+
+These examples illustrates using
+[`ToggleVisibility`][adaptivecard-ref-actions] Actions to control the
+visibility of various Elements of an `Adaptive Card` message.
+
+- File: [toggle-visibility-single-button](./examples/adaptivecard/toggle-visibility-single-button/main.go)
+- File: [toggle-visibility-multiple-buttons](./examples/adaptivecard/toggle-visibility-multiple-buttons/main.go)
+- File: [toggle-visibility-column-action](./examples/adaptivecard/toggle-visibility-column-action/main.go)
+- File: [toggle-visibility-container-action](./examples/adaptivecard/toggle-visibility-container-action/main.go)
+
 #### Disable webhook URL prefix validation
 
 This example disables the validation webhook URLs, including the validation of