Code point
U+1F604
Glyph appearance depends on your fonts.
U+1F604
SoU+1F604 SMILING FACE WITH OPEN MOUTH AND SMILING EYES is a Unicode 16.0.0 character in the Other Symbol category. It belongs to the Emoticons block.
Choose the representation you need, then copy its value.
U+1F604
128516
😄
😄
F0 9F 98 84
D83D DE04
0001F604
%F0%9F%98%84
\U0001F604
\u{1F604}
\uD83D\uDE04
\1F604