Step one: Log in to your YouTube channel and click on your image logo in the top/right corner. Step Three: In the overview section you click on advanced. Now you will find your YouTube user id and YouTube channel id under account information. read more
Each YouTube channel has a unique user ID and channel ID. These are used to refer to the channel in certain apps and services. Find your channel's user ID & channel ID. You can see your channel's user and channel IDs in your advanced account settings. Sign in to your YouTube account. In the top right, click your account icon > settings . read more
Below any video the user has uploaded on their channel page will be a list of information on the left-hand side of the screen. Click on the "Send Message" option. read more