RPA.Outlook.Application

*** Settings ***
Library                 RPA.Outlook.Application
Task Setup              Open Application
Suite Teardown          Quit Application

*** Variables ***
${RECIPIENT}            [email protected]

*** Tasks ***
Send message
    Send Message       recipients=${RECIPIENT}
    ...                subject=This is the subject
    ...                body=This is the message body
    ..                 attachments=approved.png

from RPA.Outlook.Application import Application

def send_message():
    app = Application()
    app.open_application()
    app.send_message(
        recipients='EMAILADDRESS_1, EMAILADDRESS_2',
        subject='email subject',
        body='email body message',
        attachments='../orders.csv'