diff --git a/.gitignore b/.gitignore
index daf913b..0c9e329 100644
--- a/.gitignore
+++ b/.gitignore
@@ -6,6 +6,7 @@
 # Folders
 _obj
 _test
+.idea
 
 # Architecture specific extensions/prefixes
 *.[568vq]
diff --git a/send_email.go b/send_email.go
index 5109ef4..b738f34 100644
--- a/send_email.go
+++ b/send_email.go
@@ -30,6 +30,9 @@ type SendEmailRequest struct {
 	SendToUnsubscribed      *bool                  `json:"send_to_unsubscribed,omitempty"`
 	EnableTracking          *bool                  `json:"tracked,omitempty"`
 	QueueDraft              *bool                  `json:"queue_draft,omitempty"`
+	DisableCSSPreprocessing *bool                  `json:"disable_css_preprocessing,omitempty"`
+	SendAt                  *int64                 `json:"send_at,omitempty"`
+	Language                *string                `json:"language,omitempty"`
 }
 
 var ErrAttachmentExists = errors.New("attachment with this name already exists")