---
alias: user-guide-business-workflow-task-material-retrieve
render_macros: false
description: "This task retrieves a material based on a defined condition and input expression"
---

# Retrieve

The task allows you to Retrieve a Material.

![Screenshot showing a business workflow task for retrieving materials, labeled "MaterialReleasePost1".](images/business_workflow_task_material_retrieve.png)

??? example "Example"

    Trigger: 

    - Task Name: `MaterialReleasePost_1`
    - Meaning: After performing Release Material.
 
    Condition: 

    - Input Expression: `{{$MaterialReleasePost_1.Material.Step.Name=="Baking"}}`
    - Meaning: If the Material that was released is at the Baking Step.

    Action:

    - Input: `{{$MaterialReleasePost_1.Material}}`
    - Meaning: The Material that was released is retrieved.

## Behavior

The user will define a Material.

## Inputs

| Name            | Data Type  | Description                                                                           |Expression|
| --------------- | ---------- | - |----|
| `Material`      | `Material` | The Material that will be retrieved                                                   |- `{{$<task_name>.Material}}` </br> - `<material_name>`|
| `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 retrieved                                                       |

## 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.