---
alias: user-guide-business-workflow-task-material-rework
render_macros: false
description: "This task directs material to rework based on defined conditions and inputs"
---

# Rework

The task allows the user send a Material to Rework.

![Diagram showing a business workflow task for material rework.](images/business_workflow_task_material_rework.png)

??? example "Example"

    Trigger: 

    - Task Name: `MaterialAbortPost_1`
    - Meaning: After performing Abort Material.
 
    Condition: 

    - Input Expression: `{{$MaterialAbortPost_1.Material.LastProcessedResource.Type=="Legacy"}}`
    - Meaning: If the last Resource where the Material was processed is of type "Legacy".

    Action:

    - Input: 
        - `{{$MaterialAbortPost_1.Material}}`
        - `"Equipment Malfunction"`
        - `"Repack:A:1/Repack Step:1"`
    - Meaning: The Material that was aborted is sent to the rework path `"Repack:A:1/Repack Step:1"`, with reason `"Equipment Malfunction"`.

## Behavior

The user will define a Material, a Rework Reason and a Rework Flow Path.

## Inputs

| Name             | Data Type  | Description                                                                           |Expression|
| ---------------- | ---------- | - |--- |
| `Material`       | `Material` | The Material that will be sent to Rework                                              |- `{{$<task_name>.Material}}` </br> - `<material_name>`|
| `ReworkReason`   | `Reason`   | The Reason which is applicable to Rework                                              |- `<reason_name>`|
| `ReworkFlowPath` | `String`   | The Flow Path where the Material will be sent                                         |- `<flow_path>`|
| `Comment`        | `String`   | An optional comment that will be associated with the operation that is being executed ||

## Outputs

| Name            | Data Type  | Description                                                                           |
| --------------- | ---------- | - |
| `Material`      | `Material` | The Material that was sent to Rework                                                  |

## Remarks

The Material input can be defined by the user as a simple name or an expression, such as **\{\{\$task.Material\}\}** where `task` is the name of a block that has the Material as input/output.