template_source.js

// FUNCTION_NAME: template_source

/**
 * Handle incoming HTTP request
 *
 * @param  {FunctionRequest} request
 * @param  {FunctionSettings} settings
 */
async function onRequest(request, settings) {
    const body = request.json()
  
    const endpoint = ''; // replace with your endpoint
      let response
  
    try {
      response = await fetch(endpoint, {
            method: 'POST',
            headers: {
                Authorization: `Basic ${btoa(settings.apiKey + ':')}`,
                'Content-Type': 'application/json'
            },
            body: JSON.stringify(body)
      });
    } catch (error) {
      // Retry on connection error
      throw new RetryError(error.message)
    }
  
    if (response.status >= 500 || response.status === 429) {
      // Retry on 5xx (server errors) and 429s (rate limits)
      throw new RetryError(`Failed with ${response.status}`)
    }
  
    // See https://segment.com/docs/connections/spec/track/
    Segment.track({
      event: 'Test Event',
      userId: 'user_id',
      properties: {
        testProperty: 'testValue',
        testProperty2: response.propertyName,
      }
    })
  
    // See https://segment.com/docs/connections/spec/identify/
    Segment.identify({
      userId: 'user_id',
      traits: {
        userName: 'Unicorn'
      }
    })
  
    // See https://segment.com/docs/connections/spec/group/
    Segment.group({
      groupId: 'group_id',
      userId: 'user_id',
      traits: {
        groupName: 'Unicorn'
      }
    })
  
    // See https://segment.com/docs/connections/spec/page/
    Segment.page({
      name: 'Home page',
      userId: 'user_id',
      properties: {
        url: 'https://mywebsite.com/about'
      }
    })
  
    // See https://segment.com/docs/connections/spec/screen/
    Segment.screen({
      name: 'Test Screen',
      userId: 'user_id',
      properties: {
        url: 'https://mywebsite.com/about'
      }
    })
  
    // See https://segment.com/docs/connections/sources/catalog/libraries/server/object-api/
    Segment.set({
      collection: 'users',
      id: 'user_id',
      properties: {
        userName: 'Unicorn'
      }
    })
  }