code: function(transaction) {
          return {
              action: transaction.action,
              method: transaction.method,
              data: transaction.data,
              type: 'rpc',
              tid: transaction.id
          };
      }
docs: Gets the Ajax call info for a transaction
  
  @param {Ext.direct.Transaction} transaction The transaction
  
  @return {Object} The call params
  
  @private