diff --git a/lib/boxr/client.rb b/lib/boxr/client.rb
index 2da03c8..811f9f7 100644
--- a/lib/boxr/client.rb
+++ b/lib/boxr/client.rb
@@ -27,6 +27,7 @@ class Client
     METADATA_TEMPLATES_URI = "#{API_URI}/metadata_templates"
     EVENTS_URI = "#{API_URI}/events"
     WEB_LINKS_URI = "#{API_URI}/web_links"
+    INTEGRATION = "#{API_URI}/app_integration_assignments"
 
 
     DEFAULT_LIMIT = 100
@@ -90,14 +91,15 @@ def initialize( access_token=ENV['BOX_DEVELOPER_TOKEN'],
 
     private
 
-    def get(uri, query: nil, success_codes: [200], process_response: true, if_match: nil, box_api_header: nil, follow_redirect: true)
+    def get(uri, query: nil, success_codes: [200], process_response: true, if_match: nil, box_api_header: nil, follow_redirect: true, x_rep_hints: nil)
       uri = Addressable::URI.encode(uri)
 
       res = with_auto_token_refresh do
         headers = standard_headers
         headers['If-Match'] = if_match unless if_match.nil?
         headers['BoxApi'] = box_api_header unless box_api_header.nil?
-
+        headers['x-rep-hints'] = x_rep_hints unless x_rep_hints.nil?
+        
         BOX_CLIENT.get(uri, query: query, header: headers, follow_redirect: follow_redirect)
       end
 
diff --git a/lib/boxr/collaborations.rb b/lib/boxr/collaborations.rb
index 74a574a..cd127c2 100644
--- a/lib/boxr/collaborations.rb
+++ b/lib/boxr/collaborations.rb
@@ -10,7 +10,7 @@ def folder_collaborations(folder, fields: [])
       collaborations['entries']
     end
 
-    def add_collaboration(folder, accessible_by, role, fields: [], notify: nil)
+    def add_collaboration(folder, accessible_by, role, can_view_path,fields: [], notify: nil)
       folder_id = ensure_id(folder)
       query = build_fields_query(fields, COLLABORATION_FIELDS_QUERY)
       query[:notify] = :notify unless notify.nil?
@@ -18,7 +18,7 @@ def add_collaboration(folder, accessible_by, role, fields: [], notify: nil)
       attributes = {item: {id: folder_id, type: :folder}}
       attributes[:accessible_by] = accessible_by
       attributes[:role] = validate_role(role)
-
+      attributes[:can_view_path] = can_view_path
       collaboration, response = post(COLLABORATIONS_URI, attributes, query: query)
       collaboration
     end
diff --git a/lib/boxr/files.rb b/lib/boxr/files.rb
index f22bc3c..7d97b1f 100644
--- a/lib/boxr/files.rb
+++ b/lib/boxr/files.rb
@@ -1,6 +1,15 @@
 module Boxr
   class Client
 
+    def assign(user,id)
+      attributes = {}
+      
+      attributes[:assignee] = {type: "user", id: user}
+      attributes[:app_integration] = {type: "app_integration", id: id}
+      assignment_info, response = post(INTEGRATION, attributes)
+      assignment_info
+    end
+
     def file_from_path(path)
       if(path.start_with?('/'))
         path = path.slice(1..-1)
@@ -190,6 +199,13 @@ def copy_file(file, parent, name: nil)
       new_file, res = post(uri, attributes)
       new_file
     end
+      
+    def representations(file_id,representation)
+      file_id = ensure_id(file_id)
+      uri = "#{FILES_URI}/#{file_id}?fields=representations"
+      file, response = get(uri, x_rep_hints: "#{representation}")
+      file
+    end
 
     def thumbnail(file, min_height: nil, min_width: nil, max_height: nil, max_width: nil)
       file_id = ensure_id(file)
diff --git a/lib/boxr/intergations.rb b/lib/boxr/intergations.rb
new file mode 100644
index 0000000..6b8d86e
--- /dev/null
+++ b/lib/boxr/intergations.rb
@@ -0,0 +1,12 @@
+module Boxr
+  class Client
+
+    def assign(user,id)
+        attributes = {assignee: {type: "user", id: user},app_integration: {type: "app_integration", id: id}}
+        body = {JSON.dump(attributes)}
+
+        assignment_info, response post(INTEGRATION, attributes)
+        assignment_info.entries[0]
+    end
+  end
+end
\ No newline at end of file