Save - Select the SMS phone number from which the text message will be sent. Unless specified in the block’s settings, this list will contain all active SMS phone numbers you have configured.Preview As - View your SMS as a userPerson: Select a person to preview the message using their data.Segment: Choose a personalization segment to preview with a sample person from that group. If the segment has no people, a warning appears. The previewed person’s name shows in the Previewing As field but may not be an actual recipient. From Number - Personalization has never been easier. Use the list here to populate your message with the Lava you’ll need to truly customize and personalize content for each recipient.Message - This area is where you’ll compose the actual content of your message. Personalize any message using lava, create a shortlink, add emojis or check your character count.Attachments - Upload files that will be sent with the message as an attachment. Click Next when you are ready to move on. If you're sending the communication via a Push Notification, then you'll see the Push Notification Editor screen instead of the Email and SMS screens described above.