plugin.tx_form {
    settings {
        yamlConfigurations {
            5555 = EXT:wabs_sp_drievliet/Configuration/Yaml/CustomFormSetup.yaml
        }
    }
}

module.tx_form {
    settings {
        yamlConfigurations {
            5555 = EXT:wabs_sp_drievliet/Configuration/Yaml/CustomFormSetup.yaml
        }
    }
}