Class Icon

An icon displayed in a widget on a card. For an example in Google Chat apps, see Add an icon.

Supports built-in and custom icons.

Google Workspace add-ons and Chat apps:

Inheritance
object
Icon
Implements
Inherited Members
Namespace: Google.Apps.Card.V1
Assembly: Google.Apps.Card.V1.dll
Syntax
public sealed class Icon : IMessage<Icon>, IEquatable<Icon>, IDeepCloneable<Icon>, IBufferMessage, IMessage

Constructors

Icon()

Declaration
public Icon()

Icon(Icon)

Declaration
public Icon(Icon other)
Parameters
Type Name Description
Icon other

Properties

AltText

Optional. A description of the icon used for accessibility. If unspecified, the default value Button is provided. As a best practice, you should set a helpful description for what the icon displays, and if applicable, what it does. For example, A user's account portrait, or Opens a new browser tab and navigates to the Google Chat developer documentation at https://developers.google.com/workspace/chat.

If the icon is set in a [Button][google.apps.card.v1.Button], the altText appears as helper text when the user hovers over the button. However, if the button also sets text, the icon's altText is ignored.

Declaration
public string AltText { get; set; }
Property Value
Type Description
string

HasIconUrl

Gets whether the "icon_url" field is set

Declaration
public bool HasIconUrl { get; }
Property Value
Type Description
bool

HasKnownIcon

Gets whether the "known_icon" field is set

Declaration
public bool HasKnownIcon { get; }
Property Value
Type Description
bool

IconUrl

Display a custom icon hosted at an HTTPS URL.

For example:

"iconUrl":
"https://developers.google.com/workspace/chat/images/quickstart-app-avatar.png"

Supported file types include .png and .jpg.

Declaration
public string IconUrl { get; set; }
Property Value
Type Description
string

IconsCase

Declaration
public Icon.IconsOneofCase IconsCase { get; }
Property Value
Type Description
Icon.IconsOneofCase

ImageType

The crop style applied to the image. In some cases, applying a CIRCLE crop causes the image to be drawn larger than a built-in icon.

Declaration
public Widget.Types.ImageType ImageType { get; set; }
Property Value
Type Description
Widget.Types.ImageType

KnownIcon

Display one of the built-in icons provided by Google Workspace.

For example, to display an airplane icon, specify AIRPLANE. For a bus, specify BUS.

For a full list of supported icons, see built-in icons.

Declaration
public string KnownIcon { get; set; }
Property Value
Type Description
string

MaterialIcon

Display one of the Google Material Icons.

For example, to display a checkbox icon, use

"material_icon": {
  "name": "check_box"
}

Google Chat apps:

Declaration
public MaterialIcon MaterialIcon { get; set; }
Property Value
Type Description
MaterialIcon