Pass Custom Parameters from webchat control to bot framework

Question

So, I\'m currently using this:

Answer 1

From Cilent Side

var d1 = window.WebChat.createDirectLine({ token })
window.WebChat.renderWebChat({
        directLine: Object.assign({}, d1, {
     postActivity: activity => {
     var newActivity = Object.assign({}, activity, { channelData: { "param1": "test" } });
     return d1.postActivity(newActivity);
    }
  }),
            styleSet,
            botAvatarInitials: 'CAB',
            userAvatarInitials: 'You'

}, document.getElementById('webchat'));
})();

from BOt Framework

var channelObj = turnContext.Activity.ChannelData.ToString();
var channeldata = Newtonsoft.Json.Linq.JObject.Parse(channelObj);
var customdata = channeldata["param1"].ToString();