@Vijayalakshmi1 You might want to look at the Update Start Up parameters and session related actions in the API. Here is the link to the 7.2 spec. Please use the version relevant in your case.https://documentation.blueprism.com/bp-7-2/en-us/bp-api/bp...
You can consider using the JSON utility available on DX to convert the nested json into collectionhttps://digitalexchange.blueprism.com/cardDetails?id=115182
You could try changing the element type for the element in the application modeller and see if that works.Alternatively you could re-spying the element to capture the outer/inner region instead around the checkbox and give it a try.
