Best Practice

public class XOptions
{
    // Properties
}

XService(IOptions<XOptions> options)
{
    XOptions _options = options.Value;
}

enum Enum
{
    Member
}

var enumString = nameof(Enum.Member);

try
{
    // Code that might throw
}
catch (Exception ex)
{
    log.Error(ex);
    throw;
}