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TextBlock

Displays text, allowing control over font sizes, weight, and color.

Property Type Required Description Version
type "TextBlock" Yes Must be "TextBlock". 1.0
text string Yes Text to display 1.0
color Colors No Controls the color of TextBlock elements. 1.0
fontType FontType No Type of font to use for rendering 1.2
horizontalAlignment HorizontalAlignment No Controls the horizontal text alignment. 1.0
isSubtle boolean No If true, displays text slightly toned down to appear less prominent. 1.0
maxLines number No Specifies the maximum number of lines to display. 1.0
size FontSize No Controls size of text. 1.0
weight FontWeight No Controls the weight of TextBlock elements. 1.0
wrap boolean No If true, allow text to wrap. Otherwise, text is clipped. 1.0

Inherited properties

Property Type Required Description Version
fallback Element, FallbackOption No Describes what to do when an unknown element is encountered or the requires of this or any children can’t be met. 1.2
height BlockElementHeight No Specifies the height of the element. 1.1
separator boolean No When true, draw a separating line at the top of the element. 1.0
spacing Spacing No Controls the amount of spacing between this element and the preceding element. 1.0
id string No A unique identifier associated with the item. 1.0
isVisible boolean No, default: true If false, this item will be removed from the visual tree. 1.2
requires Dictionary<string> No A series of key/value pairs indicating features that the item requires with corresponding minimum version. When a feature is missing or of insufficient version, fallback is triggered. 1.2

Example

JSON 
{
	"$schema": "http://adaptivecards.io/schemas/adaptive-card.json",
	"type": "AdaptiveCard",
	"version": "1.0",
	"body": [
		{
			"type": "TextBlock",
			"text": "This is some text",
			"size": "large"
		},
		{
			"type": "TextBlock",
			"text": "It doesn't wrap by default",
			"weight": "bolder"
		},
		{
			"type": "TextBlock",
			"text": "So set **wrap** to true if you plan on showing a paragraph of text",
			"wrap": true
		},
		{
			"type": "TextBlock",
			"text": "You can also use **maxLines** to prevent it from getting out of hand",
			"wrap": true,
			"maxLines": 2
		},
		{
			"type": "TextBlock",
			"text": "You can even draw attention to certain text with color",
			"wrap": true,
			"color": "attention"
		}
	]
}
Adaptive Card
{ "$schema": "http://adaptivecards.io/schemas/adaptive-card.json", "type": "AdaptiveCard", "version": "1.0", "body": [ { "type": "TextBlock", "text": "This is some text", "size": "large" }, { "type": "TextBlock", "text": "It doesn't wrap by default", "weight": "bolder" }, { "type": "TextBlock", "text": "So set **wrap** to true if you plan on showing a paragraph of text", "wrap": true }, { "type": "TextBlock", "text": "You can also use **maxLines** to prevent it from getting out of hand", "wrap": true, "maxLines": 2 }, { "type": "TextBlock", "text": "You can even draw attention to certain text with color", "wrap": true, "color": "attention" } ] }

Properties

text

Text to display

  • Type: string
  • Required: Yes

color

Controls the color of TextBlock elements.

  • Type: Colors
  • Required: No
  • Allowed values:
    • "default"
    • "dark"
    • "light"
    • "accent"
    • "good"
    • "warning"
    • "attention"
JSON 
{
	"$schema": "http://adaptivecards.io/schemas/adaptive-card.json",
	"type": "AdaptiveCard",
	"version": "1.0",
	"body": [
		{
			"type": "TextBlock",
			"text": "color: default",
			"color": "default"
		},
		{
			"type": "TextBlock",
			"text": "color: accent",
			"color": "accent"
		},
		{
			"type": "TextBlock",
			"text": "color: good",
			"color": "good"
		},
		{
			"type": "TextBlock",
			"text": "color: warning",
			"color": "warning"
		},
		{
			"type": "TextBlock",
			"text": "color: attention",
			"color": "attention"
		},
		{
			"type": "TextBlock",
			"text": "color: light",
			"color": "light"
		},
		{
			"type": "TextBlock",
			"text": "color: dark",
			"color": "dark"
		}
	]
}
Adaptive Card
{ "$schema": "http://adaptivecards.io/schemas/adaptive-card.json", "type": "AdaptiveCard", "version": "1.0", "body": [ { "type": "TextBlock", "text": "color: default", "color": "default" }, { "type": "TextBlock", "text": "color: accent", "color": "accent" }, { "type": "TextBlock", "text": "color: good", "color": "good" }, { "type": "TextBlock", "text": "color: warning", "color": "warning" }, { "type": "TextBlock", "text": "color: attention", "color": "attention" }, { "type": "TextBlock", "text": "color: light", "color": "light" }, { "type": "TextBlock", "text": "color: dark", "color": "dark" } ] }

fontType

Type of font to use for rendering

  • Type: FontType
  • Version : 1.2
  • Required: No
  • Allowed values:
    • "default"
    • "monospace"
JSON 
{
	"$schema": "http://adaptivecards.io/schemas/adaptive-card.json",
	"type": "AdaptiveCard",
	"version": "1.2",
	"body": [
		{
			"type": "TextBlock",
			"text": "Font type not set."
		},
		{
			"type": "TextBlock",
			"text": "Font type set to *default*.",
			"fontType": "default"
		},
		{
			"type": "TextBlock",
			"text": "Font type set to *monospace*.",
			"fontType": "monospace"
		}
	]
}
Adaptive Card
{ "$schema": "http://adaptivecards.io/schemas/adaptive-card.json", "type": "AdaptiveCard", "version": "1.2", "body": [ { "type": "TextBlock", "text": "Font type not set." }, { "type": "TextBlock", "text": "Font type set to *default*.", "fontType": "default" }, { "type": "TextBlock", "text": "Font type set to *monospace*.", "fontType": "monospace" } ] }

horizontalAlignment

Controls the horizontal text alignment.

  • Type: HorizontalAlignment
  • Required: No
  • Allowed values:
    • "left"
    • "center"
    • "right"
JSON 
{
	"$schema": "http://adaptivecards.io/schemas/adaptive-card.json",
	"type": "AdaptiveCard",
	"version": "1.0",
	"body": [
		{
			"type": "TextBlock",
			"text": "**horizontalAlignment:left**",
			"horizontalAlignment": "left"
		},
		{
			"type": "TextBlock",
			"text": "**horizontalAlignment:center**",
			"horizontalAlignment": "center"
		},
		{
			"type": "TextBlock",
			"text": "**horizontalAlignment:right**",
			"horizontalAlignment": "right"
		}
	]
}
Adaptive Card
{ "$schema": "http://adaptivecards.io/schemas/adaptive-card.json", "type": "AdaptiveCard", "version": "1.0", "body": [ { "type": "TextBlock", "text": "**horizontalAlignment:left**", "horizontalAlignment": "left" }, { "type": "TextBlock", "text": "**horizontalAlignment:center**", "horizontalAlignment": "center" }, { "type": "TextBlock", "text": "**horizontalAlignment:right**", "horizontalAlignment": "right" } ] }

isSubtle

If true, displays text slightly toned down to appear less prominent.

  • Type: boolean
  • Required: No
JSON 
{
	"$schema": "http://adaptivecards.io/schemas/adaptive-card.json",
	"type": "AdaptiveCard",
	"version": "1.0",
	"body": [
		{
			"type": "TextBlock",
			"text": "isSubtle:false",
			"isSubtle": false
		},
		{
			"type": "TextBlock",
			"text": "isSubtle:true",
			"isSubtle": true
		}
	]
}
Adaptive Card
{ "$schema": "http://adaptivecards.io/schemas/adaptive-card.json", "type": "AdaptiveCard", "version": "1.0", "body": [ { "type": "TextBlock", "text": "isSubtle:false", "isSubtle": false }, { "type": "TextBlock", "text": "isSubtle:true", "isSubtle": true } ] }

maxLines

Specifies the maximum number of lines to display.

  • Type: number
  • Required: No
JSON 
{
	"$schema": "http://adaptivecards.io/schemas/adaptive-card.json",
	"type": "AdaptiveCard",
	"version": "1.0",
	"body": [
		{
			"type": "TextBlock",
			"text": "Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.",
			"wrap": true,
			"maxLines": 1
		},
		{
			"type": "TextBlock",
			"text": "Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.",
			"wrap": true,
			"maxLines": 2
		}
	]
}
Adaptive Card
{ "$schema": "http://adaptivecards.io/schemas/adaptive-card.json", "type": "AdaptiveCard", "version": "1.0", "body": [ { "type": "TextBlock", "text": "Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.", "wrap": true, "maxLines": 1 }, { "type": "TextBlock", "text": "Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.", "wrap": true, "maxLines": 2 } ] }

size

Controls size of text.

  • Type: FontSize
  • Required: No
  • Allowed values:
    • "default"
    • "small"
    • "medium"
    • "large"
    • "extraLarge"
JSON 
{
	"$schema": "http://adaptivecards.io/schemas/adaptive-card.json",
	"type": "AdaptiveCard",
	"version": "1.0",
	"body": [
		{
			"type": "TextBlock",
			"text": "size:default"
		},
		{
			"type": "TextBlock",
			"text": "size:small",
			"size": "small"
		},
		{
			"type": "TextBlock",
			"text": "size:default",
			"size": "default"
		},
		{
			"type": "TextBlock",
			"text": "size:medium",
			"size": "medium"
		},
		{
			"type": "TextBlock",
			"text": "size:large",
			"size": "large"
		},
		{
			"type": "TextBlock",
			"text": "size:extraLarge",
			"size": "extraLarge"
		}
	]
}
Adaptive Card
{ "$schema": "http://adaptivecards.io/schemas/adaptive-card.json", "type": "AdaptiveCard", "version": "1.0", "body": [ { "type": "TextBlock", "text": "size:default" }, { "type": "TextBlock", "text": "size:small", "size": "small" }, { "type": "TextBlock", "text": "size:default", "size": "default" }, { "type": "TextBlock", "text": "size:medium", "size": "medium" }, { "type": "TextBlock", "text": "size:large", "size": "large" }, { "type": "TextBlock", "text": "size:extraLarge", "size": "extraLarge" } ] }

weight

Controls the weight of TextBlock elements.

  • Type: FontWeight
  • Required: No
  • Allowed values:
    • "default"
    • "lighter"
    • "bolder"
JSON 
{
	"$schema": "http://adaptivecards.io/schemas/adaptive-card.json",
	"type": "AdaptiveCard",
	"version": "1.0",
	"body": [
		{
			"type": "TextBlock",
			"text": "weight: lighter",
			"weight": "lighter"
		},
		{
			"type": "TextBlock",
			"text": "weight: default",
			"weight": "default"
		},
		{
			"type": "TextBlock",
			"text": "weight: bolder",
			"weight": "bolder"
		}
	]
}
Adaptive Card
{ "$schema": "http://adaptivecards.io/schemas/adaptive-card.json", "type": "AdaptiveCard", "version": "1.0", "body": [ { "type": "TextBlock", "text": "weight: lighter", "weight": "lighter" }, { "type": "TextBlock", "text": "weight: default", "weight": "default" }, { "type": "TextBlock", "text": "weight: bolder", "weight": "bolder" } ] }

wrap

If true, allow text to wrap. Otherwise, text is clipped.

  • Type: boolean
  • Required: No
JSON 
{
	"$schema": "http://adaptivecards.io/schemas/adaptive-card.json",
	"type": "AdaptiveCard",
	"version": "1.0",
	"body": [
		{
			"type": "TextBlock",
			"text": "**wrap: false** Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat",
			"wrap": false
		},
		{
			"type": "TextBlock",
			"text": "**wrap: true** Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.",
			"wrap": true
		}
	]
}
Adaptive Card
{ "$schema": "http://adaptivecards.io/schemas/adaptive-card.json", "type": "AdaptiveCard", "version": "1.0", "body": [ { "type": "TextBlock", "text": "**wrap: false** Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat", "wrap": false }, { "type": "TextBlock", "text": "**wrap: true** Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.", "wrap": true } ] }

fallback

Describes what to do when an unknown element is encountered or the requires of this or any children can't be met.

  • Type: Element, FallbackOption
  • Version : 1.2
  • Required: No
  • Allowed values:
    • ActionSet
    • ColumnSet
    • Container
    • FactSet
    • Image
    • ImageSet
    • Input.ChoiceSet
    • Input.Date
    • Input.Number
    • Input.Text
    • Input.Time
    • Input.Toggle
    • Media
    • RichTextBlock
    • TextBlock
    • "drop": Causes this element to be dropped immediately when unknown elements are encountered. The unknown element doesn't bubble up any higher.

height

Specifies the height of the element.

  • Type: BlockElementHeight
  • Version : 1.1
  • Required: No
  • Allowed values:
    • "auto": The height of the container will be determined by the height of its contents.
    • "stretch": The container will stretch its height to the available remaining height of the parent container.

separator

When true, draw a separating line at the top of the element.

  • Type: boolean
  • Required: No

spacing

Controls the amount of spacing between this element and the preceding element.

  • Type: Spacing
  • Required: No
  • Allowed values:
    • "default"
    • "none"
    • "small"
    • "medium"
    • "large"
    • "extraLarge"
    • "padding"

id

A unique identifier associated with the item.

  • Type: string
  • Required: No

isVisible

If false, this item will be removed from the visual tree.

  • Type: boolean
  • Version : 1.2
  • Required: No, default: true

requires

A series of key/value pairs indicating features that the item requires with corresponding minimum version. When a feature is missing or of insufficient version, fallback is triggered.

  • Type: Dictionary<string>
  • Version : 1.2
  • Required: No