onPresetsRequest

Registers a callback that runs when Canva requests presets from an editing extension.
You can't call the remoteProcess method from the onPresetsRequest callback.
Usage
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const { imageHelpers } = window.canva;
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const canva = window.canva.init();
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​
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canva.onReady(async (opts) => {
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  // This callback must exist for the extension to load
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});
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​
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canva.onPresetsRequest(async (opts) => {
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  return [
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    {
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      id: "myPreset",
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      label: "My Preset",
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      image: opts.image,
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    },
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  ];
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});
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Parameters
Name
Type
Required
Description
handler
​PresetsRequestHandler​
Yes
The callback that runs when Canva requests presets.
Returns
void
PresetsRequestHandler
The callback that runs when Canva requests presets.
Signature
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(opts) => Promise<Preset[]> | Preset[]
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Parameters
Name
Type
Required
Description
opts
object
Yes
Information about the event.
opts.image
​CanvaImageBlob​
Yes
The user's image.
opts.minDimensions
object
Yes
The minimum dimensions of a preset's thumbnail.
opts.minDimensions.height
number
Yes
The minimum height of a preset's thumbnail, in pixels.
opts.minDimensions.width
number
Yes
The minimum width of a preset's thumbnail, in pixels.
Returns
​Preset[]​
​Promise<Preset[]>​
Types
Preset
Represents an individual preset.
Signature
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export type Preset = {
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  id: string;
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  label: string;
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  image: CanvaImageBlob;
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  kind?: "customizable" | "simple";
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  categoryId?: string;
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};
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Properties
Name
Type
Required
Description
id
string
Yes
A unique ID for the preset.
image
​CanvaImageBlob​
Yes
A thumbnail for the preset.
label
string
Yes
A human readable label for the preset.
kind
​"simple" | "customizable"​
No
The type of preset. The default value is "customizable".
categoryId
string
No
The ID of a preset category.

onLayoutChange

onPresetSelected

Last modified 7mo ago

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