create an app
get the app id
after open tthat app
u can see AppId:
and get client_secret using
settings ->advanced -> enable require app secret
save changes inthat client token
it is used for api
generate access token
https://graph.facebook.com/oauth/access_token?client_id=717723222201461&client_secret=401800f29180fb413ef7f22093f13341&grant_type=client_credentials
