To use the component, call its "StartImageDownload" client action, passing in the following parameters:

• ImageURL: URL of the image to be downloaded.
• Callback: A JavaScript object containing the callback action to be called once the image download is complete. The action must have 2 input parameters:
  • Text data type: This parameter will receive the value passed to this action's "JSON" input parameter.
  • Binary Data data type: This parameter will contain the downloaded image.
    
• JSON: Eventual additional parameters that you might need in order to process the image. This can be a structure serialized to a JSON string.

In order to obtain the Callback object, you need to use a JavaScript node in your flow: