---
page_type: error
code: 35118
message: "35118: MessagingServiceSid is required to schedule a message"
level: ERROR
product: Programmable SMS
---

## Description

Message Scheduling is only accessible on Messaging Services. You need to pass a MessageServiceSid instead or along with a From Phone Number in order to schedule a message.

### Possible Causes

A MessagingServiceSid was not provided as part of the MessagingServiceSid or From parameter.

### Possible Solutions

Pass the MessagingServiceSid in either the MessagingServiceSid parameter or the From parameter.