make method to get data out of a module

internal/module/tcp-client.go

@@ -165,3 +165,20 @@ func (tc *TCPClient) Output(ctx context.Context, payload any) error {
 func (tc *TCPClient) Stop() {
 	tc.cancel()
 }
+
+func (tc *TCPClient) Get(key string) (any, error) {
+	switch key {
+	case "host":
+		host, err := tc.config.Params.GetString("host")
+		if err != nil {
+			return nil, fmt.Errorf("net.tcp.client host error: %w", err)
+		}
+		return host, nil
+	case "ip":
+		return tc.Addr.IP.String(), nil
+	case "port":
+		return tc.Addr.Port, nil
+	default:
+		return nil, errors.New("net.tcp.client key not found")
+	}
+}