Hello @bsudabathula To add an email attachment to a transactional message, follow the steps below:1.You can send emails via a SOAP message trigger. In the SOAP call, there is a URL parameter (attachmentURL).2.When designing your email, click Attachment .In the Attachment definition screen, enter the SOAP attachment parameter:<%= rtEvent.ctx.attachementUrl %>3.When the message is processed, the system will get the file from the remote location (third-party server) and attach it to the individual ...