---
title: "InputText"
---

Text input content item


## Fields

| Field                                                                                                                                                                                                | Type                                                                                                                                                                                                 | Required                                                                                                                                                                                             | Description                                                                                                                                                                                          | Example                                                                                                                                                                                              |
| ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| `prompt_cache_breakpoint`                                                                                                                                                                            | [OptionalNullable[components.PromptCacheBreakpoint]](../components/promptcachebreakpoint.mdx)                                                                                                         | :heavy_minus_sign:                                                                                                                                                                                   | Marks an explicit prompt-cache boundary on this content block. Everything through the block carrying this marker is part of the candidate cached prefix. Only supported by OpenAI GPT-5.6 and newer. | \{<br/>"mode": "explicit"<br/>}                                                                                                                                                                       |
| `text`                                                                                                                                                                                               | *str*                                                                                                                                                                                                | :heavy_check_mark:                                                                                                                                                                                   | N/A                                                                                                                                                                                                  |                                                                                                                                                                                                      |
| `type`                                                                                                                                                                                               | [components.InputTextType](../components/inputtexttype.mdx)                                                                                                                                           | :heavy_check_mark:                                                                                                                                                                                   | N/A                                                                                                                                                                                                  |                                                                                                                                                                                                      |