1. Add block Html2ImageWebJS into any part of your screen.
2. Add block Html2ImageWeb  into part of you screen
    a. Pass widget id, it should be a container id for which image needs to be generated.
    b. Pass Image Type to generate
    c. Pass the Trigger id, it can be either button id or link id etc
    d. Pass the event to listen on the TriggerId
3. Create a handler for the webblock where the image base64 will be sent.