= CiviCRM API - Adding Custom Values to Case Get Getting entities filtered by the value of custom field is only available for Contacts. Below is a deconstruction of the get API function for Contacts. Hopefully it'll show where the custom field magic happens. Each method gets a section (with the file it is in parenthesis) which contains a list of the functions that it calls. Hopefully I'll add some explanations of the processes that occurs in each later on. == civicrm_api3_contact_get (api/v2/Contact.php) 1. [#a (_civicrm_api3_contact_get_supportanomalies (api/v2/Contact.php))] 1. _civicrm_api3_get_using_query_object (?) 1. civicrm_api3_create_success (?) == [=#a (_civicrm_api3_contact_get_supportanomalies (api/v2/Contact.php))]