CODE EXAMPLE FOR PHP

Laravel unique with Validation rule

'name'        => 'required|max:150|unique:course_lessons,name,NULL,id,course_id,' . request('course_id'),
 "<input_filed_name>" => "valiadtionRule"|"ValidationRule"|"unique:<tableName>,<validateableField>,<ignoreableID>,<tablePrimaryKey>,<column1>,<column1Value>,<column2>,<column2Value>"