Look at 'slideLeftSLow'
"message": "Invalid value 'slideLeftSlow' for 'effect', must be one of 'zoomIn', 'zoomInSlow', 'zoomInFast', 'zoomOut', 'zoomOutSlow', 'zoomOutFast', 'slideLeft', 'slideLeftSLow', 'slideLeftFast', 'slideRight', 'slideRightSlow', 'slideRightFast', 'slideUp', 'slideUpSlow', 'slideUpFast', 'slideDown', 'slideDownSlow', 'slideDownFast'",
Look at 'slideLeftSLow'
"message": "Invalid value 'slideLeftSlow' for 'effect', must be one of 'zoomIn', 'zoomInSlow', 'zoomInFast', 'zoomOut', 'zoomOutSlow', 'zoomOutFast', 'slideLeft', 'slideLeftSLow', 'slideLeftFast', 'slideRight', 'slideRightSlow', 'slideRightFast', 'slideUp', 'slideUpSlow', 'slideUpFast', 'slideDown', 'slideDownSlow', 'slideDownFast'",
Laravel 9 PHP 8.1 Shotstack SDK 0.2.3