Send an Analytics Event to Segment

Template
Function
1
Template
Function
by
Zoran Slamkov

Track agent interactions and send to Segment for analysis.

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Voiceflow APIs used:

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Created By
Zoran Slamkov
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Function Code Snippet


export default async function main(args) {
const { userId, goalAchieved, segmentWriteKey } = args.inputVars;

function base64Encode(str) {
const charSet = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=';
let output = '';

for (let i = 0; i < str.length; i += 3) {
const byte1 = str.charCodeAt(i) & 0xFF;
const byte2 = i + 1 < str.length ? str.charCodeAt(i + 1) & 0xFF : 0;
const byte3 = i + 2 < str.length ? str.charCodeAt(i + 2) & 0xFF : 0;

const enc1 = byte1 >> 2;
const enc2 = ((byte1 & 0x3) << 4) | (byte2 >> 4);
const enc3 = ((byte2 & 0xF) << 2) | (byte3 >> 6);
const enc4 = byte3 & 0x3F;

if (isNaN(byte2)) {
output += charSet.charAt(enc1) + charSet.charAt(enc2) + '==';
} else if (isNaN(byte3)) {
output += charSet.charAt(enc1) + charSet.charAt(enc2) + charSet.charAt(enc3) + '=';
} else {
output += charSet.charAt(enc1) + charSet.charAt(enc2) + charSet.charAt(enc3) + charSet.charAt(enc4);
}
}

return output;
}

// Segment's API endpoint for tracking events
const segmentUrl = 'https://api.segment.io/v1/track';

// Prepare the request payload
const payload = {
userId: userId, // Unique identifier for the user
event: 'Goal Achieved', // Name of the event
properties: {
goal: goalAchieved // Details of the goal achieved
}
};

const encodedSegmentKey = base64Encode(segmentWriteKey + ':');

// Set up the headers for the Segment API request
const headers = {
'Authorization': `Basic ${encodedSegmentKey}`,
'Content-Type': 'application/json'
};

try {
// Send the event to Segment
const response = await fetch(segmentUrl, {
method: 'POST',
headers: headers,
body: JSON.stringify(payload)
});

// Check response status to confirm event was sent
if (!response.ok) {
throw new Error(`HTTP error! status: ${response.status}`);
}

// Return a success message
return {
next: {
path: 'success'
},
trace: [{
type: 'text',
payload: {
message: "Goal achievement event successfully sent to Segment."
}
}]
};

} catch (error) {
// Handle errors in sending the event
return {
next: {
path: 'fail'
},
trace: [{
type: 'text',
payload: {
message: `Failed to send event to Segment: ${error.message}`
}
}]
};
}
}
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