unresolved external symbol

[can-of-tuna]

code

#include <stdio.h>
#include <tgbot/tgbot.h>

int main() {
    TgBot::Bot bot("PLACE YOUR TOKEN HERE");
    bot.getEvents().onCommand("start", [&bot](TgBot::Message::Ptr message) {
        bot.getApi().sendMessage(message->chat->id, "Hi!");
        });
    bot.getEvents().onAnyMessage([&bot](TgBot::Message::Ptr message) {
        printf("User wrote %s\n", message->text.c_str());
        if (StringTools::startsWith(message->text, "/start")) {
            return;
        }
        bot.getApi().sendMessage(message->chat->id, "Your message is: " + message->text);
        });
    try {
        printf("Bot username: %s\n", bot.getApi().getMe()->username.c_str());
        TgBot::TgLongPoll longPoll(bot);
        while (true) {
            printf("Long poll started\n");
            longPoll.start();
        }
    }
    catch (TgBot::TgException& e) {
        printf("error: %s\n", e.what());
    }
    return 0;
}

errors

Severity	Code	Description	Project	File	Line	Suppression State	Details
Error	LNK2001	unresolved external symbol "public: __cdecl TgBot::TgLongPoll::TgLongPoll(class TgBot::Bot const &,int,int,class std::shared_ptr<class std::vector<class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> >,class std::allocator<class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> > > > > const &)" (??0TgLongPoll@TgBot@@QEAA@AEBVBot@1@HHAEBV?$shared_ptr@V?$vector@V?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@V?$allocator@V?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@@2@@std@@@std@@@Z)	tgbot sample	C:\Users\Administrator\source\repos\tgbot sample\tgbot sample\tgbot.obj	1		
Error	LNK2001	unresolved external symbol "public: __cdecl TgBot::Bot::Bot(class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> >,class TgBot::HttpClient const &,class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> > const &)" (??0Bot@TgBot@@QEAA@V?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@AEBVHttpClient@1@AEBV23@@Z)	tgbot sample	C:\Users\Administrator\source\repos\tgbot sample\tgbot sample\tgbot.obj	1		
Error	LNK2001	unresolved external symbol "public: void __cdecl TgBot::TgLongPoll::start(void)" (?start@TgLongPoll@TgBot@@QEAAXXZ)	tgbot sample	C:\Users\Administrator\source\repos\tgbot sample\tgbot sample\tgbot.obj	1		
Error	LNK2001	unresolved external symbol "public: class std::shared_ptr<class TgBot::User> __cdecl TgBot::Api::getMe(void)const " (?getMe@Api@TgBot@@QEBA?AV?$shared_ptr@VUser@TgBot@@@std@@XZ)	tgbot sample	C:\Users\Administrator\source\repos\tgbot sample\tgbot sample\tgbot.obj	1		
Error	LNK2001	unresolved external symbol "public: class std::shared_ptr<class TgBot::Message> __cdecl TgBot::Api::sendMessage(class boost::variant<__int64,class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> > >,class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> > const &,bool,int,class std::shared_ptr<class TgBot::GenericReply>,class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> > const &,bool,class std::vector<class std::shared_ptr<class TgBot::MessageEntity>,class std::allocator<class std::shared_ptr<class TgBot::MessageEntity> > > const &,bool,bool,int)const " (?sendMessage@Api@TgBot@@QEBA?AV?$shared_ptr@VMessage@TgBot@@@std@@V?$variant@_JV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@@boost@@AEBV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@4@_NHV?$shared_ptr@VGenericReply@TgBot@@@4@12AEBV?$vector@V?$shared_ptr@VMessageEntity@TgBot@@@std@@V?$allocator@V?$shared_ptr@VMessageEntity@TgBot@@@std@@@2@@4@22H@Z)	tgbot sample	C:\Users\Administrator\source\repos\tgbot sample\tgbot sample\tgbot.obj	1		
Error	LNK2001	unresolved external symbol "private: static class TgBot::HttpClient & __cdecl TgBot::Bot::_getDefaultHttpClient(void)" (?_getDefaultHttpClient@Bot@TgBot@@CAAEAVHttpClient@2@XZ)	tgbot sample	C:\Users\Administrator\source\repos\tgbot sample\tgbot sample\tgbot.obj	1		
Error	LNK2001	unresolved external symbol "bool __cdecl StringTools::startsWith(class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> > const &,class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> > const &)" (?startsWith@StringTools@@YA_NAEBV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@0@Z)	tgbot sample	C:\Users\Administrator\source\repos\tgbot sample\tgbot sample\tgbot.obj	1		
Error	LNK1120	7 unresolved externals	tgbot sample	C:\Users\Administrator\source\repos\tgbot sample\tgbot sample\x64\Release\tgbot sample.exe	1		

am i have to find tgbot.lib?