Code point
U+1F794
Glyph appearance depends on your fonts.
U+1F794
SoU+1F794 WHITE SQUARE CONTAINING BLACK VERY SMALL SQUARE is a Unicode 16.0.0 character in the Other Symbol category. It belongs to the Geometric Shapes Extended block.
Choose the representation you need, then copy its value.
U+1F794
128916
🞔
🞔
F0 9F 9E 94
D83D DF94
0001F794
%F0%9F%9E%94
\U0001F794
\u{1F794}
\uD83D\uDF94
\1F794