# bool IsResearched(int, str)

[Family: Global](/imperivm/en/CKS/familias/global/)

## Exact signature

```text
bool IsResearched(int, str)
```

## Description

CKS scripting primitive evaluating whether a technology or upgrade has been researched, supporting both settlement-anchored and player-direct overloads.

## Parameters and return type

**Return type:** `bool`

| Position | Type |
| --- | --- |
| 1 | `int` |
| 2 | `str` |

## Other overloads

Check the exact signature. A description of one overload does not automatically document the others.

- [`bool IsResearched(Settlement, str)`](/imperivm/en/CKS/reference/api-313153461ed055/)

## Read and share

- [Markdown](/imperivm/exports/en/cks/api-e8aa9a37287ec2.md)
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Keep the notes and limitations when reusing this description. Do not infer undocumented parameter meanings, units or effects.