diff --git a/back/mixins/register-log.js b/back/mixins/register-log.js
new file mode 100644
index 000000000..555191e57
--- /dev/null
+++ b/back/mixins/register-log.js
@@ -0,0 +1,20 @@
+
+const loggable = require('vn-loopback/util/log');
+
+module.exports = function(Self, options) {
+    Self.once('attached', function(ctx) {
+    });
+
+    Self.observe('before save', async function(ctx, next) {
+        await loggable.translateValues(Self, ctx.currentInstance);
+    });
+
+    let Mixin = {
+
+    };
+
+    for (let method in Mixin) {
+        if (!Self.prototype[method])
+            Self.prototype[method] = Mixin[method];
+    }
+};