SMS Sentiment Analysis using Einstein
This flow allows you to use the Einstein Sentiment Analysis API in a incoming SMS.
You need a Nexmo account and set up the webhook endpoint to https://your-server/message. To learn how to set and one and receive SMS message, please read the tutorial, How to Receive SMS Messages with Node.js and Express.
To use the Einstein Sentiment Analysis API, you will first need to create a Salesforce account and obtain your private key
With that key, you'll then need to create an access token
Finally, insert that access token in the Einstein Access Token node
This flow requires the following libraries:
[{"id":"6704d54c.0d354c","type":"tab","label":"Einstein Sentiment Analysis","disabled":false,"info":"Accepts incoming SMS, sends to Einstein for Sentiment analysis, then sends sms back with results\n"},{"id":"8f65ade2.583d98","type":"http in","z":"6704d54c.0d354c","name":"","url":"/webhooks/inbound-message","method":"get","upload":false,"swaggerDoc":"","x":340,"y":120,"wires":[["f92dafcb.83c508","5b4d469d.372c8"]]},{"id":"e3c2743e.09745","type":"sendsms","z":"6704d54c.0d354c","creds":"920f38fd.ed198","to":"{{msg.incoming_message.msisdn}}","fr":"{{msg.incoming_message.to}}","text":"{{msg.payload.score}}","unicode":false,"x":930,"y":500,"wires":[["7027dd4d.273c9c"]]},{"id":"f92dafcb.83c508","type":"http response","z":"6704d54c.0d354c","name":"","statusCode":"200","headers":{},"x":620,"y":120,"wires":[]},{"id":"7027dd4d.273c9c","type":"debug","z":"6704d54c.0d354c","name":"","active":true,"tosidebar":true,"console":false,"tostatus":false,"complete":"true","x":990,"y":320,"wires":[]},{"id":"aa8a22ec.e7b38","type":"http request","z":"6704d54c.0d354c","name":"post to Einstein Sentiment API","method":"POST","ret":"obj","url":"https://api.einstein.ai/v2/language/sentiment","tls":"","x":710,"y":400,"wires":[["444a69bb.9cdc58"]]},{"id":"53f7f993.421178","type":"function","z":"6704d54c.0d354c","name":"set payload and headers","func":"msg.payload = {\"modelId\":\"CommunitySentiment\", \"document\":msg.incoming_message.text};\nmsg.headers = {};\nmsg.headers['Cache-Control'] = 'no-cache';\nmsg.headers['Content-Typey'] = 'multipart/form-data';\nmsg.headers['Authorization'] = 'Bearer ' + msg.secret;\n\nreturn msg;","outputs":1,"noerr":0,"x":610,"y":340,"wires":[["aa8a22ec.e7b38"]]},{"id":"333a38e4.675428","type":"secret","z":"6704d54c.0d354c","name":"Einstein Access Token ","x":520,"y":280,"wires":[["53f7f993.421178"]]},{"id":"ca269c9e.b4f24","type":"comment","z":"6704d54c.0d354c","name":"Obtain your Einstein Access Token","info":"You will first need to obtain your private key\nhttps://api.einstein.ai/reset\nThen, generate a token from your private key\n\nhttps://api.einstein.ai/token\nUse that token in this node\n","x":540,"y":240,"wires":[]},{"id":"444a69bb.9cdc58","type":"function","z":"6704d54c.0d354c","name":"","func":"var positiveScore = Math.round(msg.payload.probabilities[0].probability * 100)\nvar negitiveScore = Math.round(msg.payload.probabilities[1].probability * 100)\nvar neutralScore = Math.round(msg.payload.probabilities[2].probability * 100)\n\nmsg.payload.score = \"positve:\" + positiveScore + \"% negitive: \" + negitiveScore + \"% neutral:\" +neutralScore + \"%\" \nreturn msg;","outputs":1,"noerr":0,"x":830,"y":440,"wires":[["e3c2743e.09745"]]},{"id":"5b4d469d.372c8","type":"function","z":"6704d54c.0d354c","name":"Save incoming message data to `incoming_message`","func":"msg.incoming_message = msg.payload\nreturn msg;","outputs":1,"noerr":0,"x":480,"y":200,"wires":[["333a38e4.675428"]]},{"id":"920f38fd.ed198","type":"nexmobasic","z":""}]
