diff --git a/misc/activity.go b/misc/activity.go
index 83539f3..82558b4 100644
--- a/misc/activity.go
+++ b/misc/activity.go
@@ -17,4 +17,8 @@ type Activity struct {
 	Timestamp primitive.DateTime `json:"timestamp" bson:"timestamp"`
 	User      primitive.ObjectID `json:"user" bson:"user"`
 	Message   string             `json:"message" bson:"message"`
+
+	// metadata
+	CreatedAt primitive.DateTime `bson:"createdAt" json:"createdAt"`
+	UpdatedAt primitive.DateTime `bson:"updatedAt" json:"updatedAt"`
 }
diff --git a/opportunity/application.go b/opportunity/application.go
index 7076c36..a6ad892 100644
--- a/opportunity/application.go
+++ b/opportunity/application.go
@@ -14,11 +14,15 @@ type ProfileApplication struct {
 }
 
 type Application struct {
-	ID          primitive.ObjectID `bson:"_id" json:"_id"`
-	Opportunity primitive.ObjectID `bson:"opportunity" json:"opportunity,omitempty"`
-	Student     primitive.ObjectID `bson:"student" json:"student,omitempty"`
+	ID          primitive.ObjectID   `bson:"_id" json:"_id"`
+	Opportunity primitive.ObjectID   `bson:"opportunity" json:"opportunity,omitempty"`
+	Student     primitive.ObjectID   `bson:"student" json:"student,omitempty"`
+	Profiles    []ProfileApplication `json:"profiles" bson:"profiles"`
 
 	// This is the submitted detais of the user on an Opportunity basis
 	DetailsRequested *map[string]interface{} `json:"detailsRequested" bson:"detailsRequested"`
-	Profiles         []ProfileApplication    `json:"profiles" bson:"profiles"`
+
+	// metadata
+	CreatedAt primitive.DateTime `bson:"createdAt" json:"createdAt"`
+	UpdatedAt primitive.DateTime `bson:"updatedAt" json:"updatedAt"`
 }