You want to compose a multi-media message, but there is no option to do so.
SAP Hybris Cloud for Customer
Only text messages are supported.
There is no support for multi-media messages (messages with pictures, videos and other attachments).
You can submit this a feature request on our Customer Influence site for SAP Hybris Cloud for Customer.
SMS, Tickets, Multi Media Messages , KBA , tickets , sms , multi media messages , text messages , LOD-CRM-SRP , Service Request Processing , Product Enhancement