DescribeThemePermissions
Use the DescribeThemePermissions operation to describe the read
                and write permissions for a theme. To use this operation, you need the ID of the
                theme that you want to describe. You can use the ListThemes operation
                to list all themes and their corresponding theme IDs.
Following is an example AWS CLI command for this operation.
For more information about the UpdateThemePermissions operation,
                see UpdateThemePermissions in theQuick Sight API Reference.