# Correlation ID

The “correlation ID” information will **not** be included in the message text, it will be hidden and used subsequently by the customer to identify the message sent.

* In order for it to work, a column must be included in the file intended for the correlation ID.

| destination    | name   | info    | ... | correlationid |
| -------------- | ------ | ------- | --- | ------------- |
| 55199999999999 | Wavy   | company | ​   | campaign\_X   |
| 55199999999999 | Movile | company | ​   | campaign\_X   |
| 55199999999999 | 1B     | company | ​   | campaign\_X   |

{% hint style="warning" %}
**Note:** All rows of the Correlation ID column must be filled.
{% endhint %}

### **Names that Will Be Interpreted as correlation ID:**

"correlationid", "correlationId", "CorrelationId", "CorrelationID", "correlationID", "Correlationid", "CORRELATIONID","correlation\_id", "correlation\_Id", "Correlation\_Id", "Correlation\_ID", "correlation\_ID", "Correlation\_id", "CORRELATION\_ID"


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://docs-latam.messaging.sinch.com/send-a-message/correlation-id.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.
