Create a task via a flow where Community license users are not allowed to create tasks.

gistfile1.txt

public class createTaskFlow{
  @InvocableMethod(label='Create task' description='create tasks')
  public static void insertTasks(List<Task> tasks) {
      // system.debug('tasks ' + tasks);
      // Note this is built for inserting just one task and is not bulkified.
      for (task t:tasks){
      task newTask = new task();
      newTask.priority = string.valueof(t.priority);
      newTask.status = string.valueof(t.status);
      newTask.ownerId = t.ownerId;
      newTask.whatId = t.whatId;
      newTask.subject = string.valueof(t.subject);
      newTask.description = string.valueof(t.description);
      insert newTask;
      }
    
  }
}