---
url: >-
  https://adk.nht.io/api/@nhtio/adk/batteries/llm/bedrock_converse/types/interfaces/ConverseSystemBlock.md
description: 'A system-text block. Top-level, never part of `messages[]`.'
---

# Interface: ConverseSystemBlock

Defined in: [src/batteries/llm/bedrock\_converse/types.ts:136](https://github.com/NHTIO/ADK/blob/v1.20261003.0/src/src/batteries/llm/bedrock_converse/types.ts#L136)

A system-text block. Top-level, never part of `messages[]`.

## Properties

| Property                          | Type     | Description                                         | Defined in                                                                                                                                              |
| --------------------------------- | -------- | --------------------------------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------- |
|  `text` | `string` | System text. Top-level, never part of `messages[]`. | [src/batteries/llm/bedrock\_converse/types.ts:138](https://github.com/NHTIO/ADK/blob/v1.20261003.0/src/src/batteries/llm/bedrock_converse/types.ts#L138) |