> For the complete documentation index, see [llms.txt](https://docs.appstrategy.com/apprules-r-documentation/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.appstrategy.com/apprules-r-documentation/samples/sample-projects/snippets/using-composite-keys.md).

# Using Composite Keys

This snippet sample project demonstrates how to configure composite keys for updating and deleting records.

{% hint style="info" %}
The sample uses a simple example for deleting a record from a SQL Customers table using multiple fields that make up the composite key.   The process is the same for modifying a record using composite keys.
{% endhint %}

<figure><img src="/files/MpCOKEJYuGPOib9XoZ4x" alt=""><figcaption></figcaption></figure>

**Activities:**

1. **InitializeTarget**   This activity initializes the Target activity that will be used for the deletion.
2. **DeleteRecord**  This activity is used for performing the actual record deletion.

&#x20;  Edit the DeleteRecord activity:

&#x20;

<figure><img src="/files/lxE0lT4hAFgz7TrutQvN" alt=""><figcaption></figcaption></figure>

Then click on the Option property:

<figure><img src="/files/vKcbjNIIYjW4i3hf7I0T" alt=""><figcaption></figcaption></figure>

Select Composite Key as the key type and configure the collection of composite keys:

<figure><img src="/files/bx8atZdng5kAAzDifj5W" alt=""><figcaption></figcaption></figure>


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