Failed to build request: No attribute named 'token' is defined in Gatling script

Gatling (Open-Source)
1

I convert HAR file to Gatling simulations script, but I have problem with extracting token from request header. After convertion I have the following code:

import scala.concurrent.duration._

import io.gatling.core.Predef._
import io.gatling.http.Predef._
import io.gatling.jdbc.Predef._

class LoginTest extends Simulation {

val httpProtocol = http
.baseUrl("https://webapi.mytestsite.com)
.inferHtmlResources()
.userAgentHeader(“Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/77.0.3865.90 Safari/537.36”)

val headers_0 = Map(
“Accept” → “application/json, text/plain, /”,
“Origin” → “https://mytestsite.com”,
“Sec-Fetch-Mode” → “cors”)

val headers_1 = Map(
“Access-Control-Request-Headers” → “authorization”,
“Access-Control-Request-Method” → “GET”,
“Origin” → “https://mytestsite.com”,
“Sec-Fetch-Mode” → “cors”)

val headers_2 = Map(
“Accept” → “application/json, text/plain, /”,
“Origin” → “https://mytestsite.com”,
“Sec-Fetch-Mode” → “cors”,
“authorization” → “Bearer ipV0mVqxcVO7xQUJ6lBPNxn77tWCivmO7Gohe47z7d7skAJV-mRCuVOwT1YmJVOvZ8N-T-ZFCgvT4nclOsfI303G7Y4EBIS9pFl4iU23C8l1k6Di387ZnAuDIkncHAne9HukSN9bBf1in9L8ath8fE57gx1CZw-kDXU4K67Q9F9brj413mMZiQrIp6VMJaFFPmMcEgq-h0uo9lP03qTdz6Aq_GdxZOV9iXls2nGG5j6nt_cFaxoTFICn0nwKRjR7eJloyUXmF3wfoqkvC_5t5gZ_YKDMf_mLxg4V2seBVyM1O11EwOpGpTOZG5FYDnJoarDybX6QkE-F4eb5aZM27NiPjstMwMn4zQ2EvhuinLNWHBzTtRN0MNW8TLT0X4f6hNS0F9lmjWBzl_OF-wCzoYQiFM7tQsU2UkHC1FHROJbPQDOH6oxDG06u8Nnco07cmLKn60zE4FYDa52DTt1lNGK7GIP97LgrGCHEdJByN4U”)

val headers_3 = Map(“Sec-Fetch-Mode” → “no-cors”)

val headers_6 = Map(
“Origin” → “https://mytestsite.com”,
“Sec-Fetch-Mode” → “cors”,
“content-type” → “application/x-www-form-urlencoded; charset=UTF-8”)

val uri1 = “https://api.wage.iteodev.com/signalr”
val uri2 = “https://mytestsite.com/static/media/download-app-headline.a2c2b312.svg”

val scn = scenario(“LoginTest”)
.exec(http(“request_0”)
.post("/api/oauth/token")
.headers(headers_0)
.formParam(“username”, “sampleloginhere”)
.formParam(“password”, “samplepasswordhere”)
.formParam(“grant_type”, “password”)
.resources(http(“request_1”)
.options("/api/account")
.headers(headers_1),
http(“request_2”)
.get("/api/account")
.headers(headers_2),
http(“request_3”)
.get(uri2 + “”)
.headers(headers_3),
http(“request_4”)
.options("/api/conversations/")
.headers(headers_1),
http(“request_5”)
.options("/api/notifications")
.headers(headers_1),
http(“request_6”)
.get(uri1 + “/negotiate?clientProtocol=1.5&Authorization=Bearer%20ipV0mVqxcVO7xQUJ6lBPNxn77tWCivmO7Gohe47z7d7skAJV-mRCuVOwT1YmJVOvZ8N-T-ZFCgvT4nclOsfI303G7Y4EBIS9pFl4iU23C8l1k6Di387ZnAuDIkncHAne9HukSN9bBf1in9L8ath8fE57gx1CZw-kDXU4K67Q9F9brj413mMZiQrIp6VMJaFFPmMcEgq-h0uo9lP03qTdz6Aq_GdxZOV9iXls2nGG5j6nt_cFaxoTFICn0nwKRjR7eJloyUXmF3wfoqkvC_5t5gZ_YKDMf_mLxg4V2seBVyM1O11EwOpGpTOZG5FYDnJoarDybX6QkE-F4eb5aZM27NiPjstMwMn4zQ2EvhuinLNWHBzTtRN0MNW8TLT0X4f6hNS0F9lmjWBzl_OF-wCzoYQiFM7tQsU2UkHC1FHROJbPQDOH6oxDG06u8Nnco07cmLKn60zE4FYDa52DTt1lNGK7GIP97LgrGCHEdJByN4U&connectionData=%5B%7B%22name%22%3A%22livechat%22%7D%5D”)
.headers(headers_6),
http(“request_7”)
.get("/UploadedFiles/03765fee-ede8-4689-9a4c-13dd2ada18a4.png")
.headers(headers_3),
http(“request_8”)
.get("/api/notifications")
.headers(headers_2),
http(“request_9”)
.get("/api/conversations/")
.headers(headers_2),
http(“request_10”)
.get("/UploadedFiles/26ac4d69-8a63-4575-bec4-849d5a5e194a.png")
.headers(headers_3),
http(“request_11”)
.get(uri1 + “/start?transport=serverSentEvents&clientProtocol=1.5&Authorization=Bearer%20ipV0mVqxcVO7xQUJ6lBPNxn77tWCivmO7Gohe47z7d7skAJV-mRCuVOwT1YmJVOvZ8N-T-ZFCgvT4nclOsfI303G7Y4EBIS9pFl4iU23C8l1k6Di387ZnAuDIkncHAne9HukSN9bBf1in9L8ath8fE57gx1CZw-kDXU4K67Q9F9brj413mMZiQrIp6VMJaFFPmMcEgq-h0uo9lP03qTdz6Aq_GdxZOV9iXls2nGG5j6nt_cFaxoTFICn0nwKRjR7eJloyUXmF3wfoqkvC_5t5gZ_YKDMf_mLxg4V2seBVyM1O11EwOpGpTOZG5FYDnJoarDybX6QkE-F4eb5aZM27NiPjstMwMn4zQ2EvhuinLNWHBzTtRN0MNW8TLT0X4f6hNS0F9lmjWBzl_OF-wCzoYQiFM7tQsU2UkHC1FHROJbPQDOH6oxDG06u8Nnco07cmLKn60zE4FYDa52DTt1lNGK7GIP97LgrGCHEdJByN4U&connectionToken=P%2FGWEN0HNtZWUowxiulVcCbSNQGTg%2BtCrti09SWiZKkPiFyOPNuEW4HBfWX%2FTPbRLhbhW5sst3BwnE3ihcbCvNE9m42MoguFmLCUGUib12Xrqsb8mZ7LsjlhYh5ul07Q1ups4KfOqxgcT0bx%2F03o1A%3D%3D&connectionData=%5B%7B%22name%22%3A%22livechat%22%7D%5D”)
.headers(headers_6)))

setUp(scn.inject(atOnceUsers(1))).protocols(httpProtocol)
}


But when I change

http(“request_2”)
.get("/api/account")
.headers(headers_2),


to

http(“request_2”)
.get("/api/account")
.headers(headers_2)
.check(header(“Bearer”).saveAs(“token”))


and when I change

http(“request_6”)
.get(uri1 + “/negotiate?clientProtocol=1.5&Authorization=Bearer%20ipV0mVqxcVO7xQUJ6lBPNxn77tWCivmO7Gohe47z7d7skAJV-mRCuVOwT1YmJVOvZ8N-T-ZFCgvT4nclOsfI303G7Y4EBIS9pFl4iU23C8l1k6Di387ZnAuDIkncHAne9HukSN9bBf1in9L8ath8fE57gx1CZw-kDXU4K67Q9F9brj413mMZiQrIp6VMJaFFPmMcEgq-h0uo9lP03qTdz6Aq_GdxZOV9iXls2nGG5j6nt_cFaxoTFICn0nwKRjR7eJloyUXmF3wfoqkvC_5t5gZ_YKDMf_mLxg4V2seBVyM1O11EwOpGpTOZG5FYDnJoarDybX6QkE-F4eb5aZM27NiPjstMwMn4zQ2EvhuinLNWHBzTtRN0MNW8TLT0X4f6hNS0F9lmjWBzl_OF-wCzoYQiFM7tQsU2UkHC1FHROJbPQDOH6oxDG06u8Nnco07cmLKn60zE4FYDa52DTt1lNGK7GIP97LgrGCHEdJByN4U&connectionData=%5B%7B%22name%22%3A%22livechat%22%7D%5D”)


to

http(“request_6”)
.get(uri1 + “/negotiate?clientProtocol=1.5&Authorization=Bearer%20${token}&connectionData=%5B%7B%22name%22%3A%22livechat%22%7D%5D”)


I've got following error:
https://i.postimg.cc/0yTMKrvm/2019-10-12-23-46-37-C-WINDOWS-system32-cmd-exe.png

What am I doing wrong?