MS Bot Framwork

// Buttons
Builder.CardAction.imBack(session, "1", "Trouver un emploi")
new builder.CardAction(session).title('Add a number').value('Add').type('imBack')
Builder.CardAction.dialogAction(session, "weather", "Seattle, WA", "Current Weather")
Builder.CardAction.postBack(...)

// Send Attachement
var msg = session.message;
var attachment = msg.attachments[0];
session.send({
text: "You sent:",
 attachments: [{
  contentType: attachment.contentType,
  contentUrl: attachment.contentUrl,
  name: attachment.name
 }]
});
        
//detect Facebook Messenger message here
if (session.message.address.channelId === "facebook")

//create a facebook share button using sourceEvent
var msg = new botbuilder.Message(session).sourceEvent({
    //specify the channel
    facebook: {
        //format according to channel's requirements
        //(in our case, the above JSON required by Facebook)
        attachment: {
            type: "template",
            payload: {
                template_type: "generic",
                elements: [
                    {
                        title: "Microsoft Bot Framework",
                        subtitle: "Check it out!",
                        buttons: [
                            {
                                type: "web_url",
                                url: "https://dev.botframework.com",
                                title: "Go to Dev Portal"
                            },
                            {
                                //this is our share button
                                type: "element_share"
                            }
                        ]
                    }
                ]
            }
        } //end of attachment
    }
});


// Prompts 
var choices = [{ value: 'en', title: "English" },{ value: 'es', title: "Español" }];
builder.Prompts.choice(session, "Please select your preferred language.", choices);
builder.Prompts.choice(session, "What's your preferred language?", 'English|Español|Italiano');

// Session 
session.error(err);