dimensions
adContent
adGroup
adSlot
adSlotPosition
affiliation
browser
browserVersion
campaign
city
connectionSpeed
continent
countOfVisits
country
date
day
daysSinceLastVisit
daysToTransaction
exitPagePath
flashVersion
hostname
hour
javaEnabled
keyword
landingPagePath
language
latitude
longitude
medium
month
networkDomain
networkLocation
operatingSystem
operatingSystemVersion
pageDepth
pagePath
pageTitle
productCategory
productName
productSku
referralPath
region
screenColors
screenResolution
searchCategory
searchDestinationPage
searchKeyword
searchKeywordRefinement
searchStartPage
searchUsed
source
subContinent
transactionId
userDefinedValue
visitorType
week
year
metrics
CPC
CPM
CTR
adClicks
adCost
bounces
entrances
exits
goal1Completions
goal1Starts
goal1Value
goal2Completions
goal2Starts
goal2Value
goal3Completions
goal3Starts
goal3Value
goal4Completions
goal4Starts
goal4Value
goalCompletionsAll
goalStartsAll
goalValueAll
impressions
itemQuantity
itemRevenue
newVisits
pageviews
searchDepth
searchDuration
searchExits
searchRefinements
searchUniques
searchVisits
timeOnPage
timeOnSite
transactionRevenue
transactionShipping
transactionTax
transactions
uniquePageviews
uniquePurchases
visitors
visits
you may include "ga:" before each field only for filters
combinations