Updated README.md

README.md

@@ -1,4 +1,32 @@
 # go-cw
 Go structs and methods for the ConnectWise REST API
 
-Note: This is far from complete, I'm simply adding structs and methods as I see a use for it. 
+Note: This is far from complete, I'm simply adding structs and methods as I have an actual requirement for them. If you add to this, please feel free to send a pull request.
+
+#Installation
+```
+go get github.com/StevenPolley/go-cw
+```
+
+#Usage
+```
+package main
+
+import (
+	"github.com/StevenPolley/go-cw/3.0/connectwise"
+	"fmt"
+)
+
+const (
+	cwSite		= "https://yourconnectwisesite.com/v4_6_release/apis/3.0"
+	cwAPIKeyPrivate = "ASDLFK4ah89ad"
+	cwAPIKey	= "ASLDFKJ2342kl"
+	cwCompany	= "yourcompanyname"
+)
+
+func main() {
+	cw := connectwise.NewSite(cwSite, cwAPIKey, cwAPIKeyPrivate, cwCompany)
+	companyDataByID := connectwise.GetCompaniesByID(cw, 2) //Retrieves company ID 2 from CW and returns pointer to struct struct
+	fmt.Println(*companyDataByID)
+}
+```