
timeStamp
var dimensionValue = 'SOME_DIMENSION_VALUE';
ga('set', 'dimension1', dimensionValue);

currentTime
var dimensionValue = 'SOME_DIMENSION_VALUE';
ga('set', 'dimension2', dimensionValue);

duration
var dimensionValue = 'SOME_DIMENSION_VALUE';
ga('set', 'dimension3', dimensionValue);

volume
var dimensionValue = 'SOME_DIMENSION_VALUE';
ga('set', 'dimension4', dimensionValue);

title
var dimensionValue = 'SOME_DIMENSION_VALUE';
ga('set', 'dimension5', dimensionValue);

videoid
var dimensionValue = 'SOME_DIMENSION_VALUE';
ga('set', 'dimension6', dimensionValue);

login
var dimensionValue = 'SOME_DIMENSION_VALUE';
ga('set', 'dimension7', dimensionValue);

event
var dimensionValue = 'SOME_DIMENSION_VALUE';
ga('set', 'dimension8', dimensionValue);