How to change analytic rois' line color and text

• DeepStream Version: 5.1
Hi,
I want to change analytic rois’ line color and text in deepstream-test5. Could you show me how to do that? Thanks!

Here is the property application can set for nvdsanalytics:

https://docs.nvidia.com/metropolis/deepstream/dev-guide/text/DS_plugin_gst-nvdsanalytics.html#id3