#import "AdjustBridge.h"
// or #import <AdjustSdkWebBridge/AdjustBridge.h>

- (void)viewWillAppear:(BOOL)animated {
    WKWebView *webView = [[WKWebView alloc] initWithFrame:self.view.bounds];

    // add @property (nonatomic, strong) AdjustBridge *adjustBridge; on your interface
    [self.adjustBridge loadWKWebViewBridge:webView];
    // optionally you can add a web view delegate so that you can also capture its events
    // [self.adjustBridge loadWKWebViewBridge:webView wkWebViewDelegate:(id<wknavigationdelegate>)self];
}

// ...

function setupWebViewJavascriptBridge(callback) {
    if (window.WebViewJavascriptBridge) {
        return callback(WebViewJavascriptBridge);
    }

    if (window.WVJBCallbacks) {
        return window.WVJBCallbacks.push(callback);
    }

    window.WVJBCallbacks = [callback];

    var WVJBIframe = document.createElement('iframe');
    WVJBIframe.style.display = 'none';
    WVJBIframe.src = 'https://__bridge_loaded__';
    document.documentElement.appendChild(WVJBIframe);

    setTimeout(function() { document.documentElement.removeChild(WVJBIframe) }, 0)
}

setupWebViewJavascriptBridge(function(bridge) {
    // ...
    var yourAppToken = yourAppToken;
    var environment = AdjustConfig.EnvironmentSandbox;
    var adjustConfig = new AdjustConfig(yourAppToken, environment);
    Adjust.appDidLaunch(adjustConfig);
    // ...
});