WebDriver Payload

Example_1

{ 
  capabilities:
  {
    alwaysMatch:
    { 
      browserName: 'firefox',
      platformName: 'macOS 10.13',
      browserVersion: 'latest'
      sauce:options: 
      {
        name: 'My test name',
        build: 'My build'
      }
    },
    firstMatch: [ {} ] 
  },
  desiredCapabilities:
  { 
    browserName: 'firefox',
    platformName: 'macOS 10.13',
    browserVersion: 'latest',
    name: 'My test name',
    build: 'My build'
  } 
}

Example_2

{ 
  capabilities:
  {
    alwaysMatch:
    { 
      browserName: 'firefox',
      platformName: 'macOS 10.13',
      browserVersion: 'latest' 
    },
    firstMatch: [ {} ] 
  },
  desiredCapabilities:
  { 
    browserName: 'firefox',
    platform: 'macOS 10.13',
    version: 'latest' 
  } 
}