Q:

Retrive a data from firebase database with Timer

How can I retrieve a data from firebase database with Timer function in flutter app? 
P.S.After user request data will be retrieved from firebase database 5 minutes later. 
Thank you

A:

 So what you are do by calling where('index' isEqualTo: ' 0' is it first finds any documents with a field named index like above then it only returns the ones the has a value this is equal to to the one you provided 

