function readOnly(count){ }
Starting November 20, the site will be set to read-only. On December 4, 2023,
forum discussions will move to the Trailblazer Community.
+ Start a Discussion
RoyalRoyal 

in lightning how can give access on chatter groups ?

SwethaSwetha (Salesforce Developers) 
HI Subbu,
The Chatter groups are categorized as public, private, unlisted, and archived. Who do you intend to give access to?

Related: https://help.salesforce.com/articleView?id=collab_group_about.htm&type=5
https://salesforce.stackexchange.com/questions/142695/how-to-check-if-user-has-access-to-make-post-into-chatter-group