Status is a string that represents a list of the task statuses.
The statuses for workflow tasks are as follows:
| TaskStatus_To_Be_Picked | W |
| TaskStatus_Picking | P |
| TaskStatus_In_Process | G |
| TaskStatus_Completing | D |
| TaskStatus_Completed | F |
| TaskStatus_Canceled | Q |
| TaskStatus_Canceling | C |
| TaskStatus_Forwarding | O |
| TaskStatus_Error | E |
| TaskStatus_Terminated | T |
A string may contain the vertical bar "|" as separators, such as "W", "W|G" or "W|G|F".