Get the Instagram user id of a Page's Instagram Business Account

For details, see step 5 of this guide: https://developers.facebook.com/docs/instagram-api/getting-started/

Usage

cc_get_instagram_user_id(
  fb_page_id = NULL,
  fb_user_token = NULL,
  api_version = "v19.0"
)

Arguments

fb_user_token

Facebook user token (not a page token).