diff --git a/4dev/tests/Logging/CoreLibsLoggingLoggingTest.php b/4dev/tests/Logging/CoreLibsLoggingLoggingTest.php
index f98e67d4..e60efc52 100644
--- a/4dev/tests/Logging/CoreLibsLoggingLoggingTest.php
+++ b/4dev/tests/Logging/CoreLibsLoggingLoggingTest.php
@@ -691,6 +691,11 @@ final class CoreLibsLoggingLoggingTest extends TestCase
 		);
 	}
 
+	/**
+	 * Undocumented function
+	 *
+	 * @return array
+	 */
 	public function providerLoggingLevelWrite(): array
 	{
 		return [
@@ -796,6 +801,39 @@ final class CoreLibsLoggingLoggingTest extends TestCase
 		);
 	}
 
+	// check log level that writer writes in correct level
+	// also that non debug ignores prefix/group
+
+	/**
+	 * Undocumented function
+	 *
+	 * @covers ::log
+	 * @testdox log() general call test
+	 *
+	 * @return void
+	 */
+	public function testLoggingLog(): void
+	{
+		// init logger
+		$log = new \CoreLibs\Logging\Logging([
+			'log_file_id' => 'testLoggingLog',
+			'log_folder' => self::LOG_FOLDER,
+			'log_per_level' => true,
+		]);
+		$log_ok = $log->log(Level::Debug, 'DEBUG', group_id: 'GROUP_ID', prefix: 'PREFIX:');
+		$this->assertTrue($log_ok, 'assert ::log (debug) OK');
+		$this->assertEquals(
+			$log->getLogFile(),
+			$log->getLogFileId() . '_DEBUG.log'
+		);
+		$log_ok = $log->log(Level::Info, 'INFO', group_id: 'GROUP_ID', prefix: 'PREFIX:');
+		$this->assertTrue($log_ok, 'assert ::log (info) OK');
+		$this->assertEquals(
+			$log->getLogFile(),
+			$log->getLogFileId() . '_INFO.log'
+		);
+	}
+
 	// must test flow:
 	// init normal
 	// log -> check file name
diff --git a/www/lib/CoreLibs/Logging/Logging.php b/www/lib/CoreLibs/Logging/Logging.php
index ad9feed8..4dd2f99f 100644
--- a/www/lib/CoreLibs/Logging/Logging.php
+++ b/www/lib/CoreLibs/Logging/Logging.php
@@ -910,6 +910,42 @@ class Logging
 	// MAIN CALLS
 	// *********************************************************************
 
+	/**
+	 * Commong log interface
+	 *
+	 * extended with group_id, prefix that are ONLY used for debug level
+	 *
+	 * @param  Level              $level
+	 * @param  string|\Stringable $message
+	 * @param  mixed[]            $context
+	 * @param  string             $group_id
+	 * @param  string             $prefix
+	 * @return bool
+	 */
+	public function log(
+		Level $level,
+		string|\Stringable $message,
+		array $context = [],
+		string $group_id = '',
+		string $prefix = '',
+	): bool {
+		// if we are not debug, ignore group_id and prefix
+		if ($level != Level::Debug) {
+			$group_id = '';
+			$prefix = '';
+		}
+		return $this->writeErrorMsg(
+			$level,
+			$this->prepareLog(
+				$level,
+				$prefix . $message,
+				$context,
+				$group_id
+			),
+			$group_id
+		);
+	}
+
 	/**
 	 * DEBUG: 100
 	 *
@@ -927,8 +963,8 @@ class Logging
 	public function debug(
 		string $group_id,
 		string|\Stringable $message,
-		string $prefix = '',
-		array $context = []
+		array $context = [],
+		string $prefix = ''
 	): bool {
 		return $this->writeErrorMsg(
 			Level::Debug,