Greetings @Kristhlubik
Welcome to the Roku Community and thanks for posting regarding your inquiry.
For more information about how to connect your Roku Smart Home devices to you Alexa skill, we would recommend taking a look at the information provided by our Support page here: Control your smart home devices with Alexa
Please keep us posted what you find out and we will be more than happy to assist you should you need further help.
Thanks,
Danny
Danny R.
Roku Community Moderator