Creating rectangle tool using custom button outside Viewer

Detailed description of issue
{Need to create a tools bar outside viewer window}

Expected behaviour
{Will provide to annotate with custom buttons}

Link to document
{Provide a link to the document in question if possible}

Code snippet
{Provide a relevant code snippet}

Hi there,

You can take a look at our custom annotation examples to show how to create custom tools and buttons.

I am closing this issue because of very little info. If you still have a question, please follow the issue template and provide us with as much detail as possible.