age_predict             Predict age for the specified user
areFriends              Checks the friendship status between two users
boardGetComments        Returns a list of comments on a topic on a
                        community's discussion board
boardGetCommentsExecute
                        Returns a list of comments on a topic on a
                        community's discussion board
boardGetCommentsList    Returns a list of comments on a community's
                        discussion board
clear_text              Clear text
collection_exists       Check if collection exists
create_empty_collection
                        Create empty collection
databaseGetChairs       Returns list of chairs on a specified faculty
databaseGetCities       Returns a list of cities
databaseGetCitiesById   Returns information about cities by their IDs
databaseGetCountries    Returns a list of countries
databaseGetCountriesById
                        Returns information about countries by their
                        IDs
databaseGetFaculties    Returns a list of faculties (i.e., university
                        departments)
databaseGetRegions      Returns a list of regions
databaseGetSchoolClasses
                        Returns a list of available classes
databaseGetSchools      Returns a list of schools
databaseGetStreetsById
                        Returns information about streets by their IDs
databaseGetUniversities
                        Returns a list of higher education institutions
db_drop                 Drop database
db_drop_collection      Drop collection
db_getActive            The current database name
db_getName              The current database name
db_get_collection       Get collection
db_get_connection       Get a mongo connection object
db_init                 Initialize database
db_insert               Insert object into existing collection
db_load                 Load all collections from db for specified data
                        base
db_load_collection      Load collection from db
db_metaConnection       Get meta connection
db_save                 Save object to db
db_update               Update existing records
execute                 A universal method for calling a sequence of
                        other methods while saving and filtering
                        interim results
filterAttachments       Filtering attachments by type
getAccessToken          Get access token
getArbitraryNetwork     Building a friend graph for an arbitrary list
                        of users
getCountryByCityId      Get country ID and title by given city ID
getEgoNetwork           Building a friend graph
getFriends              Returns a list of user IDs or detailed
                        information about a user's friends
getFriendsBy25          Returns a list of friends IDs for the specified
                        users
getFriendsFor           Returns a list of friends IDs for the specified
                        users
getGroups               Returns a list of the communities to which a
                        user belongs
getGroupsById           Returns information about communities by their
                        IDs
getGroupsForUsers       Returns a list of the communities for the
                        specified users
getGroupsMembers        Returns a list of community members
getGroupsMembersExecute
                        Returns a list of community members
getMutual               Returns a list of user IDs of the mutual
                        friends of two users
getMutualExecute        Returns a list of user IDs of the mutual
                        friends of two users
getPaths                Returns a list of paths between two users
getStatus               Returns data required to show the status of a
                        users and/or communities
getTopics               Returns a list of topics on a community's
                        discussion board
getTopicsExecute        Returns a list of topics on a community's
                        discussion board
getURLs                 Extract URLs from messages
getUsers                Returns detailed information on users
getUsersExecute         Returns detailed information on arbitrary
                        number of users
getWall                 Returns a list of posts on a user wall or
                        community wall
getWallExecute          Returns a list of posts on a user wall or
                        community wall
get_stop_words          Get stop words list for russian language
groupsSearch            Returns a list of communities matching the
                        search criteria
handle_captcha          Captcha error handler
handle_validation       Validation error handler
has_error               Get error code from response
likesGetList            Returns a list of IDs of users who added the
                        specified object to their Likes list
likesGetListForObjects
                        Returns a list of IDs of users who added the
                        specified objects to their Likes list
me                      Returns current user ID
messagesGet             Returns a list of the current user's incoming
                        or outgoing private messages
messagesGetHistory      Returns message history for the specified user
                        or group chat
messagesGetHistoryAll   Returns all message history for the specified
                        user or group chat
messagesGetHistoryExecute
                        Returns message history for the specified user
                        or group chat
messagesSend            Sends a message.
messagesSplitByDate     Split messages by days, weeks, months
newsfeedSearch          Returns search results by statuses
or                      Logical or operator
postGetComments         Returns a list of comments on a post on a user
                        wall or community wall
profile_fields          Helper function for working with profile fields
queryBuilder            Returns a query string
repeat_last_query       Repeat last function call
request_delay           Delaying a request if necessary
saveAsGEXF              Converts the given igraph object to GEXF format
                        and saves it at the given filepath location
search.getHints         Allows the programmer to do a quick search for
                        any substring
setAPIVersion           Set API version
setAccessToken          Set access token
setRepeats              Set maximum number of repeats
setTimeout              Set timeout
show_collections        Show collections
show_dbs                Show databases
tag2Id                  Returns user id by tag
try_handle_error        Check response for errors
try_handle_network_error
                        Try to handle network error
use_db                  Switch database
usersGetFollowers       Returns a list of IDs of followers of the user
                        in question, sorted by date added, most recent
                        first
usersGetSubscriptions   Returns a list of IDs of users and communities
                        followed by the user
usersSearch             Returns a list of users matching the search
                        criteria
vkApply                 Apply a method over a vector of objects
vkOAuth                 Client authorization
vkOAuthWeb              Client authorization (for web application)
vkPost                  Create post object
vkR                     Access to VK API via R
vk_stop                 Custom error
wallGetById             Returns a list of posts from user or community
                        walls by their IDs
wallGetComments         Returns a list of comments on a post on a user
                        wall or community wall
wallGetCommentsList     Returns a list of comments on a user wall or
                        community wall
wallGetReposts          Returns information about reposts of a post on
                        user wall or community wall
wallSearch              Allows to search posts on user or community
                        walls
