-(AlfrescoRequest *)
        retrieveAllTagsWithCompletionBlock:(AlfrescoArrayCompletionBlock)completionBlock -
      retrieves all tags currently available in the repository.
    Parameters
- (AlfrescoArrayCompletionBlock) completionBlock
 - The block that is called with the tags on completion of the operation. The format of the completion block is typedef void (^AlfrescoArrayCompletionBlock)(NSArray *array, NSError *error).
 
Returns
(AlfrescoRequest *)
Example