Please get the AppsFlyer dev key from the dashboard.
Run
devkit install https://github.com/hashcube/appsflyer.git
Then add appsFlyerDevKey
to iOS or android section.
"ios": {
"appsFlyerDevKey": "xxx"
},
"android": {
"appsFlyerDevKey": "xxx"
}
For amazon builds, switch to amazon
branch of this repo.