Ionic GOOGLE MAPS Where the key are coming from ? - YOUR_ANDROID_API_KEY_IS_HERE ,YOUR_IOS_API_KEY_IS_HERE

Where should I create and take from the IOS and ANDROID keys ?

cordova plugin add cordova-plugin-googlemaps --variable API_KEY_FOR_ANDROID=“YOUR_ANDROID_API_KEY_IS_HERE” --variable API_KEY_FOR_IOS=“YOUR_IOS_API_KEY_IS_HERE”

easier than i though i think
https://developers.google.com/maps/documentation/android-api/signup
Get a key
Choose project or app
Create key
Copy paste to the link

$ ionic cordova plugin add https://github.com/mapsplugin/cordova-plugin-googlemaps#multiple_maps --variable API_KEY_FOR_ANDROID=“YOUR_ANDROID_API_KEY_IS_HERE” --variable API_KEY_FOR_IOS=“YOUR_IOS_API_KEY_IS_HERE”
$ npm install --save @ionic-native/google-maps

for ios
https://developers.google.com/maps/documentation/ios-sdk/get-api-key

get a key
choose app
enable api

(update 2018/Aug) some people still coming to the maps plugin repository from this page.

Here is the link. Please use the Google Maps wizard page.