!video / !youtube / !latest-video command shows -latest video youtube only
${customapi.https://decapi.me /youtube/latest_video?id=channelID}
!command add !video ${customapi.https://decapi.me /youtube/latest_video?id=*channelID}
Replace *channelID with your channel id the * also no spaces after the = and no space before the }
Find channel id go to youtube click avatar go to setting and then on the right side go to advanced setting
Use the Channel ID