After checking in to the event, click Go to Avatar on the welcome page to open the Avatar Customization screen. From there, you can customize the following:

• Gender — choose Male or Female
• Skin Tone — pick from a range of shades
• Face Type — customize your shape, eyebrows, eyes, nose, mouth, and jaw
• Hair Style — choose your length, curl, style, and color
• Clothes — pick your outfit based on the event's dress code

Once you're done, click Join Event to enter the event with your avatar.