Use the SHA1 release key.
echo "6B:B0:79:6A:40:9C:D4:23:47:E5:B9:CE:C4:40:AE:FE:3A:EC:2E:A7" | xxd -r -p | openssl base64
facebook > Basic >
Get app id and app secret
firebase > auth > sign in method
type in app id and app secret
mike_eokexqg_chengstein@tfbnw.net
nancy_mldkmut_mcdonaldescu@tfbnw.net
retrieved facebook friends: {data: [{name: Mike Chengstein, id: 111157341631370}],
paging: {cursors: {before: QVFIUnkxb1I4RXFKeGJ5NmF5TEU2NjRUX3lYUmZAicjJPX2YyeFV3V3V6STBjU3BCOFN3N0dLcFdMN0pUSmhiaVZASbDJqeFhXNWRkN2h3Y3RmQXVQRmFIcUZA3,
after: QVFIUnkxb1I4RXFKeGJ5NmF5TEU2NjRUX3lYUmZAicjJPX2YyeFV33V6STBjU3BCOFN3N0dLcFdMN0pUSmhiaVZASbDJqeFhXNWRkN2h3Y3RmQXVQRmFIcUZA3}}, summary: {total_count: 1}}