How to store Accesstoken data

I am able to authorize my app. but after authorizing it’s redirecting to callback URL provided, i am not able store Accesstoken data. Can anybody tell me How to store Access token data.? I am a new bee, thanks in advance.

I am able to authorize my app. but after authorizing it’s redirecting to callback URL provided, i am not able store Accesstoken data. Can anybody tell me How to store Access token data.? I am a new bee, thanks in advance.