# User Guide

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**Note**

This user guide refers to PreBilt transactions beginning '_PB2\__' and details the standard process without additional features or enhancements. You should [copy these transactions](../../../configuration-guide/transaction-codes#create-a-transaction) with a different prefix to maintain a backup and protect the originals.
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This section covers transaction _PB2\_BIN\_BLOCK_.

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### Selection

Enter the required selection criteria for the specific document or material to be processed and tap **'Select'**. Fields marked with a red asterisk (<mark style="color:red;">\*</mark>) are mandatory.

![](https://3149936122-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F2CkvzIq48sLzTY4bfcWl%2Fuploads%2FKT4n7KpW8oqCrh9VtLpL%2Fimage.png?alt=media\&token=5211e395-551e-41b9-8e3c-2ccc2459ab36)
{% endstep %}

{% step %}
### Add bin details

Enter any additional bin requirements.

![](https://3149936122-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F2CkvzIq48sLzTY4bfcWl%2Fuploads%2Fz9N8tVNeUiBbkAIfjbj8%2Fimage.png?alt=media\&token=659981f0-e68a-42bb-92da-40525e7eff03)

* **Removal block** - select the checkbox if the storage bin is to be blocked for stock removal.
* **Putaway block** - select the checkbox if the storage bin is to be blocked for stock placement.
* **Blocking reason** - select the dropdown box to assign a blocking reason code, if relevant. A blocking reason cannot be set if neither of the indicators have been selected. When the storage bin is being unblocked, the blocking reason must be removed.

Tap **'Save'** to update the storage bin in SAP.
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