I created a Custom Audience of type \"Customer List: Value-based\".
I then used that to create a \"value-based Lookalike Audience\".
The documentation for \"valu
P.S. I still can't find the "magic string" of 'LOOKALIKE_VALUE' referenced or defined anywhere in the SDK.
FacebookAds\Object\Fields\CustomAudienceMultikeySchemaFields::LOOKALIKE_VALUE
In "facebook/php-business-sdk": "^6.0.0"