diff --git a/src/core/Global.ttslua b/src/core/Global.ttslua
index e0786095..1f31bea9 100644
--- a/src/core/Global.ttslua
+++ b/src/core/Global.ttslua
@@ -959,6 +959,22 @@ end
 -- Content Importing and XML functions
 ---------------------------------------------------------
 
+function onSearchValueChanged(a, b, c)
+  log(a)
+  log(b)
+  log(c)
+
+  -- TODO: some kind of wait
+  updateDownloadItemList(true)
+end
+
+function onAuthorFilterChanged(a, b, c)
+  log(a)
+  log(b)
+  log(c)
+  updateDownloadItemList(true)
+end
+
 -- forwards the requested content type to the update function and sets highlight to clicked tab
 ---@param tabId string Id of the clicked tab
 function onClick_tab(_, _, tabId)
@@ -1334,7 +1350,8 @@ function formatLibrary(jsonResponse)
 end
 
 -- updates the window content to the requested content
-function updateDownloadItemList()
+---@param skipAuthorUpdate? boolean If true, skips the update for the author dropdown
+function updateDownloadItemList(skipAuthorUpdate)
   if not library then return end
 
   -- addition of list items according to library file
@@ -1343,6 +1360,9 @@ function updateDownloadItemList()
 
   contentList.children = {}
   for i, v in ipairs(library[contentToShow]) do
+    -- TODO: filter here
+
+    -- TODO: store authors here
     table.insert(contentList.children,
       {
         tag = "Panel",
@@ -1360,6 +1380,14 @@ function updateDownloadItemList()
   end
 
   contentList.attributes.height = #contentList.children * 27
+
+  -- TODO: maybe update authors
+  if not skipAuthorUpdate then
+    local authorDropdown = getXmlTableElementById(globalXml, 'authorDropdown')
+
+
+  end
+
   updateGlobalXml(globalXml)
 
   -- select the first item
@@ -2136,8 +2164,8 @@ function TokenManager.spawnMultipleTokens(card, tokenType, tokenCount, shiftDown
     local matColor = playermatApi.getMatColorByPosition(card.getPosition())
     local activeInvestigatorData = playermatApi.getActiveInvestigatorData(matColor)
     callbackName = "updateUniversalActionAbilityToken"
-    callbackParams = { class = activeInvestigatorData.class, symbol = subType or activeInvestigatorData.class}
-    
+    callbackParams = { class = activeInvestigatorData.class, symbol = subType or activeInvestigatorData.class }
+
     if temporary then
       callbackParams.addTag = "Temporary"
     end