In case anybody was curious.
I made two bank transfers from my US bank account to my local Bangkok Bank account, both using wise.
Transfer 1
$100, indicated purpose for 'travel expenses'. arrived seconds later, 3,369.69, shows as "Transfer from other bank"
Transfer 2
$100, indicated purpose for 'Long Stay in Thailand'. arrived 1 day later, 3,371.16, shows as "International transfer"