I’ve been using the right inlet of a message box to store lists but this probably isnt the best way as it involves writing to screen.

Is very straightforward though. Is there an equivalent of int/float for lists?

Or should I be using coll or pattr?

Or something like this?

-- Pasted Max  Patch, click to expand. -- 
Copy all of the following text. Then, in Max, select New From Clipboard.
----------begin_max5_patcher----------
447.3oc0Vt0aCBBE.9Y8WAgmcKETp5da+NVZVPk0xlhMJl0sl9eexQsWV65E
6krllHgCH7w2wi141V3n7YhRL5IzKHKq41VVPHS.q19V3L9r3TdILMrpJKRT
fcZFptWdkNUngAosQeKWoU7LAbCOWH4ocyuYx5ulJZ1SrTowNHbDWMFiF0Nq
obc7DoZ7qEhXcyD8HdONvAQ8cMMrAPm5qKuGydVJ+FVWBsd3lvxD.h7n2efR
ViZopCZhI1BaayEm+2Rvkc1RfDduKAZXPiDn8WB928Rvid1OIvtbRP7Y8J1s
bZwLfRbkZJO9Czfte61Rrdao+rYuli5CxhvLMgg8wbtWayklySxDkkHx.D0E
45g7X61djS2d6WOCgpq.vKDZezSvEyNQUZctZ+G7sNdGr1g3AkKsuFY6Rm0N
J9W6D8wTfbwSwzgPxkAI2fg8HEu6B.1ZdAVLbpT86+cA.jI9lxpLupHtC+th
Lj2RlRDkZohqk0OOrZRlOoiVA9DYRh.Fui4LYxz75WIzBAZzNScmDStGfIyW
Xu0LQODS92dlHGhI1MkI2M1s+.I2aJRAGARaZxqMQ9GIQ80Q0cVX+CvFkrcD
-----------end_max5_patcher-----------