This is a guide for sending packs between Hive-Engine and Splinterlands. If you need to learn about how to send other assets review Send Assets from Hive-Engine to Splinterlands (In-Game).
Sending packs from Hive Engine to Splinterlands
Step 1: Navigate to the mana well then click to the 
icon next to the pack you want to transfer in.
Step 2: Select Hive Engine from the drop down menu under From, and In-Game from the drop down menu under To. Input the number of packs you want to transfer.
Step 3: Click Transfer and confirm the transaction with hive keychain.
Sending packs from Splinterlands to Hive Engine
Step 1: Navigate to the mana well then click to the icon next to the pack you want to transfer out.
Step 2: Select In Game from the drop down menu under From, and Hive Engine from the drop down menu under To. Input the number of packs you want to transfer.
Step 3: Click Transfer and confirm the transaction.
Tokenization of the pack should now be successful, and you should see that you are now deducted a pack from the game, but if you go to the "wallet" tab at hive-engine.com or tribaldex.com you should see the pack token there, which will have a different name depending on the type of pack it is.