to view all post using facebook api by using get method
the api has to take some user or page permission to fetch or update data on page
to check all comments ,likes,reactions,comment-reply given on single post
the page where all the functions are executed
this is used to update comment here the comment id used to identify comment
reply-comment is message type and message is mentioned in field
there are two fields
one field is for type of data posted (for ex :- link for link,message for string type message)
second for the data (in link:-url to pe written,in message:- message is to be writtens)
webhooks call back url requried and authentication token
the webhooks is used get notification of every update