change example to README

README.md

@@ -5,4 +5,52 @@ package to help with SOAP integrations (client)
 
 ```bash
 go get github.com/tiaguinho/gosoap
+```
+
+### Example
+
+```go
+package main
+
+import (
+	"github.com/tiaguinho/gosoap"
+	"fmt"
+)
+
+type GetGeoIPResponse struct {
+	GetGeoIPResult GetGeoIPResult
+}
+
+type GetGeoIPResult struct {
+	ReturnCode        string
+	IP                string
+	ReturnCodeDetails string
+	CountryName       string
+	CountryCode       string
+}
+
+var (
+	r GetGeoIPResponse
+)
+
+func main() {
+	soap, err := gosoap.SoapClient("http://www.webservicex.net/geoipservice.asmx?WSDL")
+	if err != nil {
+		fmt.Errorf("error not expected: %s", err)
+	}
+
+	params := gosoap.Params{
+		"IPAddress": "8.8.8.8",
+	}
+
+	err = soap.Call("GetGeoIP", params)
+	if err != nil {
+		fmt.Errorf("error in soap call: %s", err)
+	}
+
+	soap.Unmarshal(&r)
+	if r.GetGeoIPResult.CountryCode != "USA" {
+		fmt.Errorf("error: %+v", r)
+	}
+}
 ```