IA: You are the speaker at an online meeting and you want to know if one of your team members is present. All attendees' cameras are turned Off

In that case, you could ask a question or prompt to engage the team member you're looking for. Here’s how you might phrase it: "Before we dive into the agenda, could everyone please use the chat feature to confirm their presence? [Team Member's Name], I’d love to hear your thoughts on the first topic we’ll discuss." This approach encourages everyone to respond while allowing you to pinpoint whether the specific team member is present.