This feature is available in Messages, Mail, and all apps with built-in Siri support. To dictate emoji with your voice, you need to click on the microphone icon while writing a message, by the way, this way you can dictate the entire message, then you need to say a command, for example, “emoji with a smile ”. After that you have to click on the microphone icon again and send a message.
It has been noted that Siri recognizes many commands for emojis to create sounds, but you can still see the list of all available icons in the Emojipedia portal.
Source: Ferra
