Update README.md

README.md

@@ -1,4 +1,47 @@
 # SMS Hook
 
-## What?
+## What
 The purpose of SmsHook is to provide a simple library that provides a webhook where texts can be send to it using something like [Sms Forwarder](https://github.com/bogkonstantin/android_income_sms_gateway_webhook). 
+
+## How
+This captures all the requests coming into /webhook with `{"content":"%text"}` and puts them in a buffer.
+There are 3 methods
+
+### GetLast
+Get last returns the last sms received and its location in the buffer.
+
+### WaitForNew
+WaitForNew keeps waiting for the next sms that will be send the the webhook
+
+### WaitForNewWithTimeout
+Same thing as WaitForNew but stops after a set interval
+
+
+## EXAMPLE
+```go
+package main
+
+import (
+	"fmt"
+	"time"
+
+	"git.directme.in/Joren/SmsHook/smshook"
+)
+
+func main() {
+	smshook.Init(10, "0.0.0.0:8080")
+
+	t := smshook.WaitForNew()
+	fmt.Printf("Received new item: %s\n", t)
+
+	text, pos := smshook.GetLast()
+	fmt.Printf("Last item: %s, Position: %d\n",text,pos)
+
+	t2, s := smshook.WaitForNewWithTimeout(10 * time.Second)
+	if s {
+		fmt.Printf("Received new item: %s\n", t2)
+	} else {
+		fmt.Println("Timed out waiting for new item.")
+	}
+}
+```