diff --git a/src/lib/sms/SMSClient.ts b/src/lib/sms/SMSClient.ts
index 7135e9a..5ccc4ea 100644
--- a/src/lib/sms/SMSClient.ts
+++ b/src/lib/sms/SMSClient.ts
@@ -32,6 +32,7 @@ interface SendMessageInput {
   mediaUrls?: string[];
   contactZipCode?: string;
   sendBefore: string;
+  sendAfter?: string;
 }
 
 export interface SendingLocation {
diff --git a/src/lib/sms/queries.ts b/src/lib/sms/queries.ts
index e14697a..a885eb1 100644
--- a/src/lib/sms/queries.ts
+++ b/src/lib/sms/queries.ts
@@ -49,8 +49,8 @@ export const DELETE_SENDING_LOCATION = `
 
 export const SEND_MESSAGE = `
   mutation sendMessage($profileId: UUID!, $to: PhoneNumber!, $body: String!,
-                       $contactZipCode: ZipCode, $mediaUrls: [Url], $sendBefore: Datetime!) {
-    sendMessage(input: {profileId: $profileId, to: $to, body: $body, contactZipCode: $contactZipCode, mediaUrls: $mediaUrls, sendBefore: $sendBefore}) {
+                       $contactZipCode: ZipCode, $mediaUrls: [Url], $sendBefore: Datetime!, $sendAfter: Datetime) {
+    sendMessage(input: {profileId: $profileId, to: $to, body: $body, contactZipCode: $contactZipCode, mediaUrls: $mediaUrls, sendBefore: $sendBefore, sendAfter: $sendAfter}) {
       outboundMessage {
         id
       }