diff --git a/lib/vpc.sh b/lib/vpc.sh
index 74bb8c5..8ae2ba4 100644
--- a/lib/vpc.sh
+++ b/lib/vpc.sh
@@ -1,11 +1,29 @@
+#!/bin/bash
+
+. ./lib/db.sh
+
 function check_vpc_exist {
-    vpc=${1}
+    vpc_name=${1}
 
     echo "#check if the vpc ${vpc} exist"
     echo "  -> check in file"
     echo "  -> check in linux"
+
+    check_in_db vpc "${vpc_name}"
+    [ "$?" -eq "0" ] && return 0 || return 1
 }
 
 function create_vpc {
-    check_vpc_exist "VPC_NAME"
+    vpc_name="${1}"
+
+    check_vpc_exist "${vpc_name}"
+    [ "$?" -eq "0" ] || add_in_db "vpc" "${vpc_name}"
+}
+
+function delete_vpc {
+
+    vpc_name="${1}"
+
+    delete_in_db "vpc" "${vpc_name}"
+
 }
\ No newline at end of file