How to use DICTATION feature on iPhone?

so did you know that there is a dictation feature in uh in iphone so you can for example create an email just by dictating and it's available in the in the keyboard so here i'm just want to write a message and in the bottom of my standard keyboard just to the left of the space button there is a microphone icon and i can just tap to write it and it's actually pretty precise so for example then and then you just switch back to the keyboard so that's a really cool feature so if you want to send email or you want to send yeah and some other apps you want to do that that's how you can use it