set targetFolder to choose folder 
 
tell application "Finder" 
  every item of folder targetFolder whose name contains "Pdf" 
end tell 

set targetFolder to choose folder 
 
tell application "Finder" 
  every folder of folder targetFolder whose name contains "Pdf" 
end tell 

set targetFolder to (choose folder) as Unicode text 
 
tell application "Finder" 
	name of every folder of folder targetFolder whose name contains "Pdf" 
end tell 

on run {input, parameters} 
 
set targetFolder to input  
 
tell application "Finder"  
  every folder of folder targetFolder whose name contains "Test_Pdf" 
end tell  
 
end run 

on run {input, parameters} 
  
 tell application "Finder" 
 set targetFolder to item 1 of input  
 set Foldername to every folder of folder targetFolder whose name contains "LowRes" as string 
 set thePath to POSIX path of ":" & (Foldername) 
  end tell 
 return thePath 
 
end run 

tell application "Finder" 
  set folderList to every folder of folder targetFolder whose name contains "LowRes" 
end tell 

{folder "LowRes_Pdf" of folder "HK_" of folder "Desktop" of folder "username" of ¬ 
  folder "Users" of startup disk of application "Finder"} 

set folderPath to item 1 of folderList as Unicode text 

"Macintosh HD:Users:username:Desktop:HK_:LowRes_Pdf:" 

on run {input, parameters} 
	 
  tell application "Finder" 
    set targetFolder to item 1 of input 
    set folderList to every folder of folder targetFolder whose name contains "LowRes" 
  end tell 
  return item 1 of folderList as Unicode text 
	 
end run