type: 'message'
A card built from a small, markdown-like content schema — either a simple colored banner (MessageSchema) or a richer card with icon, title, text, and buttons (CardMessage).
In addition to the shared CoreElement fields (see Elements overview):
| Property | Type | Description |
|---|---|---|
|
| The message body — see the two variants below. |
| never | Not used for |
MessageSchema (type: 'MESSAGE')
A simple colored banner.
| Property | Type | Description |
|---|---|---|
|
| Banner severity/color. |
|
| Banner text. |
{ "type": "MESSAGE", "color": "WARNING", "text": "This feature is in preview." }
CardMessage (type: 'CARD')
A richer card layout.
| Property | Type | Description |
|---|---|---|
|
| Card title. |
|
| Card body text. |
|
| Icon name. |
|
| Action buttons rendered on the card. |
{"type": "CARD","title": "Need help?","text": "Check the documentation for setup instructions.","actions": [{ "displayName": "Open docs", "appId": "docs.app", "intentId": "open" }]}
ExtensionsInfrastructure Observability