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On September 25th, 2024, we released v2 of the Apps SDK. To learn what’s new and how to upgrade, see Migration FAQ and Migration guide.
API reference
API reference

editContent

API reference for the editContent method.
This version of the API is a preview. Preview APIs are unstable and may change without warning. You can't release public apps using this API until it's stable.

Reads and edits content of the specified type from the user's design.

Parameters

optionsEditContentOptions
REQUIRED

Options for configuring how a design is read.

Properties of options
contentTypeContentType
REQUIRED

The type of content to edit from the user's design

This must be "richtext".

targetstring
REQUIRED

This must be "current_page".

callbackEditContentCallback
REQUIRED

A callback for operating on the read content.

Parameters

sessionobject
REQUIRED

The result of reading the content in the design.

Properties of session
contentsRichtextContentRange[]
REQUIRED

The individual content items returned by a query.

Properties of contents
deletedboolean
REQUIRED

Indicates whether the object containing this richtext range has been deleted.

formatParagraphfunction
REQUIRED

Formats all of the paragraphs that overlap the given bounds.

  • The \n character indicates the end of a paragraph.
  • All paragraphs that overlap the provided bounds will be formatted in their entirety.

Parameters

boundsBounds
REQUIRED

The segment of the range on which to apply the formatting.

Properties of bounds
indexnumber
REQUIRED

The starting position of the segment.

This is zero-based, meaning the first character of the range is at index 0.

lengthnumber
REQUIRED

The number of characters in the segment, starting from the index.

formattingRichtextFormatting
REQUIRED

The formatting to apply to the paragraph(s).

Properties of formatting
colorstring
OPTIONAL

The color of the text as a hex code.

The hex code must include all six characters and be prefixed with a # symbol.

Example

"#ff0099"
TS
fontWeightFontWeight
OPTIONAL

The weight (thickness) of the font.

The available font weights depend on the font.

Default value: "normal"

Available values:

  • "normal"
  • "thin"
  • "extralight"
  • "light"
  • "medium"
  • "semibold"
  • "bold"
  • "ultrabold"
  • "heavy"
fontStylestring
OPTIONAL

The style of the font.

Default value: "normal"

Available values:

  • "normal"
  • "italic"
decorationstring
OPTIONAL

The decoration of the text.

Default value: "none"

Available values:

  • "none"
  • "underline"
strikethroughstring
OPTIONAL

The strikethrough of the text.

Default value: "none"

Available values:

  • "none"
  • "strikethrough"
fontRefFontRef
OPTIONAL

A unique identifier that points to a font asset in Canva's backend.

fontSizenumber
OPTIONAL

The size of the text, in pixels.

  • In the Canva editor, this number is shown as points (pts), not pixels.

Minimum: 1

Maximum: 100

textAlignstring
OPTIONAL

The alignment of the text.

Default value: "start"

Available values:

  • "start"
  • "center"
  • "end"
  • "justify"
listLevelnumber
OPTIONAL

The list indentation level of the paragraph.

listMarkerstring
OPTIONAL

The appearance of list item markers.

This property only has an effect if listLevel is greater than 0.

Default value: "none"

Available values:

  • "none"
  • "disc"
  • "circle"
  • "square"
  • "decimal"
  • "lower-alpha"
  • "lower-roman"
  • "checked"
  • "unchecked"

Returns

void

formatTextfunction
REQUIRED

Formats a region of text with inline formatting properties.

Parameters

boundsBounds
REQUIRED

The segment of the range on which to apply the formatting.

Properties of bounds
indexnumber
REQUIRED

The starting position of the segment.

This is zero-based, meaning the first character of the range is at index 0.

lengthnumber
REQUIRED

The number of characters in the segment, starting from the index.

formattingInlineFormatting
REQUIRED

The formatting to apply to the text.

Properties of formatting
colorstring
OPTIONAL

The color of the text as a hex code.

The hex code must include all six characters and be prefixed with a # symbol.

Example

"#ff0099"
TS
fontWeightFontWeight
OPTIONAL

The weight (thickness) of the font.

The available font weights depend on the font.

Default value: "normal"

Available values:

  • "normal"
  • "thin"
  • "extralight"
  • "light"
  • "medium"
  • "semibold"
  • "bold"
  • "ultrabold"
  • "heavy"
fontStylestring
OPTIONAL

The style of the font.

Default value: "normal"

Available values:

  • "normal"
  • "italic"
decorationstring
OPTIONAL

The decoration of the text.

Default value: "none"

Available values:

  • "none"
  • "underline"
strikethroughstring
OPTIONAL

The strikethrough of the text.

Default value: "none"

Available values:

  • "none"
  • "strikethrough"

Returns

void

appendTextfunction
REQUIRED

Appends the specified characters to the end of the range.

Parameters

charactersstring
REQUIRED

The characters to append to the richtext range.

formattingInlineFormatting
OPTIONAL

Options for formatting inline richtext.

Properties of formatting
colorstring
OPTIONAL

The color of the text as a hex code.

The hex code must include all six characters and be prefixed with a # symbol.

Example

"#ff0099"
TS
fontWeightFontWeight
OPTIONAL

The weight (thickness) of the font.

The available font weights depend on the font.

Default value: "normal"

Available values:

  • "normal"
  • "thin"
  • "extralight"
  • "light"
  • "medium"
  • "semibold"
  • "bold"
  • "ultrabold"
  • "heavy"
fontStylestring
OPTIONAL

The style of the font.

Default value: "normal"

Available values:

  • "normal"
  • "italic"
decorationstring
OPTIONAL

The decoration of the text.

Default value: "none"

Available values:

  • "none"
  • "underline"
strikethroughstring
OPTIONAL

The strikethrough of the text.

Default value: "none"

Available values:

  • "none"
  • "strikethrough"

Returns

boundsBounds

A segment of a richtext range.

Properties of bounds
indexnumber

The starting position of the segment.

This is zero-based, meaning the first character of the range is at index 0.

lengthnumber

The number of characters in the segment, starting from the index.

replaceTextfunction
REQUIRED

Replaces a region of text with the specified characters.

Parameters

boundsBounds
REQUIRED

The segment of the range to replace.

Properties of bounds
indexnumber
REQUIRED

The starting position of the segment.

This is zero-based, meaning the first character of the range is at index 0.

lengthnumber
REQUIRED

The number of characters in the segment, starting from the index.

charactersstring
REQUIRED

The replacement characters.

formattingInlineFormatting
OPTIONAL

The formatting to apply to the replaced text.

Properties of formatting
colorstring
OPTIONAL

The color of the text as a hex code.

The hex code must include all six characters and be prefixed with a # symbol.

Example

"#ff0099"
TS
fontWeightFontWeight
OPTIONAL

The weight (thickness) of the font.

The available font weights depend on the font.

Default value: "normal"

Available values:

  • "normal"
  • "thin"
  • "extralight"
  • "light"
  • "medium"
  • "semibold"
  • "bold"
  • "ultrabold"
  • "heavy"
fontStylestring
OPTIONAL

The style of the font.

Default value: "normal"

Available values:

  • "normal"
  • "italic"
decorationstring
OPTIONAL

The decoration of the text.

Default value: "none"

Available values:

  • "none"
  • "underline"
strikethroughstring
OPTIONAL

The strikethrough of the text.

Default value: "none"

Available values:

  • "none"
  • "strikethrough"

Returns

boundsBounds

The bounds of the replacement characters within the updated range.

Properties of bounds
indexnumber

The starting position of the segment.

This is zero-based, meaning the first character of the range is at index 0.

lengthnumber

The number of characters in the segment, starting from the index.

readPlaintextfunction
REQUIRED

Returns the current state of the richtext as plaintext.

Returns

string

readTextRegionsfunction
REQUIRED

Returns the current state of the richtext as one or more text regions. Each region is an object that contains the text content and its formatting.

Returns

textstring

The plaintext content of the region.

formattingPartial<RichtextFormatting>
OPTIONAL

The formatting of the region.

syncfunction
REQUIRED

Commits any changes made to the items in the contents array.

An app must call this method for any changes to be reflected in the user's design.

Returns

Promise<void>

Returns

void or Promise<void>

Returns

Promise<void>