You can create your Message by following the given steps:
STEP-1: Click on Prospects → Lead → List Of Leads.
Select any one Lead and Right Click on it.
Select Add Text Messages.
STEP-2: Fill Message Details. Select To number using Select Button. You can upload file to Send.
STEP-3: Assign Messages to User or team by selecting single or multiple entries from the list.
STEP-4: Click on Send button to send message. Sending message will save the form automatically and then send it.
STEP-5: You can click on Save button and Skip Sending part as well.
Note: You can Add Text Message from Opportunity, and Campaign using same above method.
Click on Activity → Messages. The list of Messages will display.
You can edit Messages by following the given steps:
STEP-1: Select the Messages that you want to edit. Right click on it and select Edit Text Messages.
STEP-2: Edit the details and click on Save button.