User timings

User timing measurement can be achieved in different ways, following Google specifications

passing parameters in this exact order

this.$ga.time('category', 'variable', 123, 'label')

or use an object literal

this.$ga.time({
  timingCategory: 'category',
  timingVar: 'variable',
  timingValue: 123,
  timingLabel: 'label'
})

Google Analytics docs: user timings