diff --git a/internal/domain/messages/domain.go b/internal/domain/messages/domain.go
index 9a5cf6f..582fabd 100644
--- a/internal/domain/messages/domain.go
+++ b/internal/domain/messages/domain.go
@@ -7,6 +7,7 @@ import (
 type Message = models.Message
 
 type CreateMessageInput struct {
+	SenderID    int64
 	RecipientID int64  `form:"recipientId" binding:"required,numeric"`
 	Subject     string `form:"subject" binding:"required,max=200"`
 	Body        string `form:"body" binding:"required"`