Example of the REGISTER_PEDHEADSHOT native (citizenfx#763)

* Example of the REGISTER_PEDHEADSHOT native

I recently wanted to use this native, which originally had a forum post linked to it, so I just made an example out of it and I believe having it on the native page is better.

---------

Co-authored-by: ammonia-cfx <38232208+4mmonium@users.noreply.github.com>

PED/RegisterPedheadshot.md

@@ -1,6 +1,7 @@
 ---
 ns: PED
 ---
+
 ## REGISTER_PEDHEADSHOT
 
 ```c
@@ -13,10 +14,10 @@ gtaforums.com/topic/885580-ped-headshotmugshot-txd/
 ```
 
 ## Parameters
-* **ped**: 
+* **ped**: The ped you want to take the "headshot" of.
 
 ## Return value
-The Pedheadshot handle.
+It returns a Pedheadshot handle, which can be used by natives such as [GET_PEDHEADSHOT_TXD_STRING](https://docs.fivem.net/natives/?_0xDB4EACD4AD0A5D6B)
 
 ## Examples
 ```lua
@@ -40,3 +41,32 @@ CreateThread(function()
     UnregisterPedheadshot(handle)
 end)
 ```
+
+```js
+  // This function gets the ped headshot texture and returns an url which can be used in NUI (written in TypeScript)
+
+  export const GetPedHeadShotUrl = (ped: number): Promise<string> => {
+    // We return a Promise so we can async await it, because registering the ped headshot takes some time.
+
+    return new Promise(async res => {
+        const handle = RegisterPedheadshot(ped)
+
+        while (!IsPedheadshotReady(handle) || !IsPedheadshotValid(handle)) {
+            // This is a custom function, not a native, which just returns a promise that is resolved after the ms specified using the setTimeout function
+            await Delay(10)
+        }
+
+        const txdString = GetPedheadshotTxdString(handle)
+
+        // We "unload" the handle as we no longer need it
+        UnregisterPedheadshot(handle)
+
+        // From forum post: https://forum.cfx.re/t/ped-headshot-to-image/4813157/2
+
+        const pictureUrl = `https://nui-img/${txdString}/${txdString}?v=${Date.now()}`
+
+        // Finally we resolve the Promise!
+        res(pictureUrl)
+    })
+}
+```