[SOLVED] Catch left click on frame?

[NiLSPACE]

Try the OnTakeDamage hook.

function OnTakeDamage(a_Receiver, a_TDI)
   if (a_TDI.Attacker == nil or not a_Receiver:IsItemFrame() or not a_TDI.Attacker:IsPlayer()) then
      return false
   end
   -- Your code
end