How to implement 'Receives a Copy' using apex tool kit salesforce

You can specify the type for example:

new List<dfsle.Recipient> {
    dfsle.Recipient.fromSource(
        'John Smith', // Recipient name
        'john@smith.com', // Recipient email
        null, //Optional phone number
        'CC', //Role Name. Specify the exact role name from template
        null)
            .withType(dfsle.Recipient.TYPE_CARBON_COPY)
};