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filter is not described

woocommerce_settings-(group_id) filter-hook . WC 1.0

Usage

add_filter( 'woocommerce_settings-(group_id)', 'filter_function_name_349' );
function filter_function_name_349( $array ){
	// filter...

	return $array;
}
$array
-

Where the hook is called

WC_REST_Setting_Options_Controller::get_group_settings()
woocommerce_settings-(group_id)
WC_REST_Setting_Options_V2_Controller::get_group_settings()
woocommerce_settings-(group_id)
woocommerce/includes/rest-api/Controllers/Version3/class-wc-rest-setting-options-controller.php 79
$settings = apply_filters( 'woocommerce_settings-' . $group_id, array() ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.UseUnderscores
woocommerce/includes/rest-api/Controllers/Version2/class-wc-rest-setting-options-v2-controller.php 162
$settings = apply_filters( 'woocommerce_settings-' . $group_id, array() );

Where in WP core the hook is used WooCommerce

woocommerce/includes/class-wc-register-wp-admin-settings.php 41
add_filter( 'woocommerce_settings-' . $this->object->get_id(), array( $this, 'register_page_settings' ) );
woocommerce/includes/class-wc-register-wp-admin-settings.php 44
add_filter( 'woocommerce_settings-email_' . $this->object->id, array( $this, 'register_email_settings' ) );
woocommerce/packages/woocommerce-admin/src/Loader.php 88
add_filter( 'woocommerce_settings-wc_admin', array( __CLASS__, 'add_settings' ) );