New parameters for transactional SMS messages
Route: https://developers.sendinblue.com/reference/sendtransacsms
For the Transactional SMS route, organisationPrefix is now added, which will be used as prefix within
the message content. This field is only mandatory for U.S. Carriers. +1 Country Code
Route: https://developers.sendinblue.com/reference/createsmscampaign-1
Route: https://developers.sendinblue.com/reference/updatesmscampaign-1
For POST sms campaign creation and PUT sms campaign update, organisationField and unsubscribeInstruction are required for U.S Carriers.These two field are optional for others.
organisationPrefix - Brand name or organisation Name eg- sendinblue
unsubscribeInstruction- Instruction to unsubscribe from sms campaigns. Must have STOP keyword,