To create a custom audience, follow these steps:
Click Audience Management, then click Audiences.
Click Create Audiences, then click Custom Audience.
Customise your audience:
Name your custom audience.
Click Add Selection and create a new selection or build a new one.
Define the synchronisation frequency.
Define the key matching: This increases the match rate for your records.
Select a date for the end of the synchronisation.
To consider the spends or visits values, select is value-based based, then select the criteria from the list.
Select the relevant Ad Account.
Click Create.