lib/dfp.js
function _lookupKeyInPair(pair) {
  var key = pair[0];
  var value = pair[1];
  return Bluebird.all([
    this.lookupCriteriaKey(key),
    value
  ]);
}
function _lookupKeyInPair(pair) {
  var key = pair[0];
  var value = pair[1];
  return Bluebird.all([
    this.lookupCriteriaKey(key),
    value
  ]);
}
function _lookupKeyInPair ( pair ) { var key = pair [ 0 ] ; var value = pair [ 1 ] ; return Bluebird . all ( [ this . lookupCriteriaKey ( key ) , value ] ) ; }
Query DFP for the key id of a key value pair.

@param  {Array} pair [0] The name of a key.
[1] The name of a value.
@return {Promise}    Resolves with an Array
[0] The dfp id of the key passed in.
[1] The name of value passed in (unchanged).
Query DFP for the key id of a key value pair .