A service animal displayed with a safety vest and lead. Differs from the guide dog as this animal is intended for detection of seizures or other “hidden disabilities”, according to the proposal from Apple.
The Service Dog emoji is a ZWJ sequence combining 🐕 Dog, Zero Width Joiner and 🦺 Safety Vest.
These display as a single emoji on supported platforms.
📅 Service Dog was added to Emoji 12.0 in 2019.