# Replace text

The replace text step allows to replace in a text column a substring by another substring.

### Step parameters

* `Extract a substring from ...` column(string)\*: the column in which to search for the value to to replace
* `Old string` **(string)\***: value to search for in the previously defined column
* `New string` **(string)**\*: value with which the old string will be replaced

### Example

**Input**

<figure><img src="/files/yu3BCgm8fpsNSMOQrHPO" alt=""><figcaption><p>Text - Replace Text input</p></figcaption></figure>

**Configuration**

```json
{
    "search_column": "",
    "old_str": "example",
    "new_str": "acme"
}
```

**Output**

<figure><img src="/files/frXwAUu64TMBPGptGE2i" alt=""><figcaption><p>Text - Replace Text output</p></figcaption></figure>


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# Agent Instructions: Querying This Documentation

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

```
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```

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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.