Hi I am trying to create Auto User Sharing Rule , Which will share a public group with public group the above object fits for the requirement .But not able to use it since on using getting Compile Error.
Code in Apex class :
UserMembershipSharingRule oUserMembershipSharingRule =new UserMembershipSharingRule();
UserMembershipSharingRule.GroupId= spaceid; //spaceid is the public groupid
UserMembershipSharingRule.UserOrGroupId= spaceid;
UserMembershipSharingRule.UserAccessLevel = 'Read';

Error: Compile Error: No access to entity: UserMembershipSharingRule at line 1 column 8 "
 

Needed info on creating User Sharing Rule .In my code trigger written after insert on custom objects record which creates public group and shares that record in that group. Now i wanted to write a User sharing rule for same public group. I am not able to do that.
 

Needed info on creating User Sharing Rule .In my code trigger written after insert on custom objects record which creates public group and shares that record in that group. Now i wanted to write a User sharing rule for same public group. I am not able to do that.
 

I tried to create folder via apex code
      
      code:

        Folder fold=new Folder();
        fold.AccessType='Shared';
        fold.DeveloperName=UserInfo.getUserName();
        fold.AccessType='Shared';
        fold.Name='testfolder';
        fold.Type='Report';
        insert fold;

i got the error dml not allowed on folder.