> For the complete documentation index, see [llms.txt](https://docs.nexthink.com/api/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.nexthink.com/api/spark/models.md).

# Models

## The ErrorResponse object

```json
{"openapi":"3.0.1","info":{"title":"public-api","version":"1.0.0"},"components":{"schemas":{"ErrorResponse":{"type":"object","properties":{"message":{"type":"string"}}}}}}
```

## The FilePartByContent object

```json
{"openapi":"3.0.1","info":{"title":"public-api","version":"1.0.0"},"components":{"schemas":{"FilePartByContent":{"required":["mimeType","fileContent"],"type":"object","properties":{"fileContent":{"type":"string"},"mimeType":{"minLength":1,"type":"string"}}}}}}
```

## The MessageDTO object

```json
{"openapi":"3.0.1","info":{"title":"public-api","version":"1.0.0"},"components":{"schemas":{"MessageDTO":{"required":["parts"],"type":"object","properties":{"parts":{"minItems":1,"type":"array","items":{"$ref":"#/components/schemas/PartDTO"}}}},"PartDTO":{"type":"object","required":["type"],"properties":{"type":{"$ref":"#/components/schemas/PartType"}},"discriminator":{"propertyName":"type","mapping":{"TEXT":"#/components/schemas/TextPartDTO","FILE":"#/components/schemas/FilePartByContent"}},"oneOf":[{"$ref":"#/components/schemas/TextPartDTO"},{"$ref":"#/components/schemas/FilePartByContent"}]},"PartType":{"type":"string","enum":["TEXT","FILE"]},"TextPartDTO":{"required":["text"],"type":"object","properties":{"text":{"minLength":1,"type":"string"}}},"FilePartByContent":{"required":["mimeType","fileContent"],"type":"object","properties":{"fileContent":{"type":"string"},"mimeType":{"minLength":1,"type":"string"}}}}}}
```

## The PartDTO object

```json
{"openapi":"3.0.1","info":{"title":"public-api","version":"1.0.0"},"components":{"schemas":{"PartDTO":{"type":"object","required":["type"],"properties":{"type":{"$ref":"#/components/schemas/PartType"}},"discriminator":{"propertyName":"type","mapping":{"TEXT":"#/components/schemas/TextPartDTO","FILE":"#/components/schemas/FilePartByContent"}},"oneOf":[{"$ref":"#/components/schemas/TextPartDTO"},{"$ref":"#/components/schemas/FilePartByContent"}]},"PartType":{"type":"string","enum":["TEXT","FILE"]},"TextPartDTO":{"required":["text"],"type":"object","properties":{"text":{"minLength":1,"type":"string"}}},"FilePartByContent":{"required":["mimeType","fileContent"],"type":"object","properties":{"fileContent":{"type":"string"},"mimeType":{"minLength":1,"type":"string"}}}}}}
```

## The PartType object

```json
{"openapi":"3.0.1","info":{"title":"public-api","version":"1.0.0"},"components":{"schemas":{"PartType":{"type":"string","enum":["TEXT","FILE"]}}}}
```

## The HandoffConversationMessageRequest object

```json
{"openapi":"3.0.1","info":{"title":"public-api","version":"1.0.0"},"components":{"schemas":{"HandoffConversationMessageRequest":{"required":["message"],"type":"object","properties":{"metadata":{"type":"object","additionalProperties":{"type":"string"},"nullable":true,"description":"Optional metadata that will be passed through the request flow"},"message":{"$ref":"#/components/schemas/MessageDTO"}}},"MessageDTO":{"required":["parts"],"type":"object","properties":{"parts":{"minItems":1,"type":"array","items":{"$ref":"#/components/schemas/PartDTO"}}}},"PartDTO":{"type":"object","required":["type"],"properties":{"type":{"$ref":"#/components/schemas/PartType"}},"discriminator":{"propertyName":"type","mapping":{"TEXT":"#/components/schemas/TextPartDTO","FILE":"#/components/schemas/FilePartByContent"}},"oneOf":[{"$ref":"#/components/schemas/TextPartDTO"},{"$ref":"#/components/schemas/FilePartByContent"}]},"PartType":{"type":"string","enum":["TEXT","FILE"]},"TextPartDTO":{"required":["text"],"type":"object","properties":{"text":{"minLength":1,"type":"string"}}},"FilePartByContent":{"required":["mimeType","fileContent"],"type":"object","properties":{"fileContent":{"type":"string"},"mimeType":{"minLength":1,"type":"string"}}}}}}
```

## The TextPartDTO object

```json
{"openapi":"3.0.1","info":{"title":"public-api","version":"1.0.0"},"components":{"schemas":{"TextPartDTO":{"required":["text"],"type":"object","properties":{"text":{"minLength":1,"type":"string"}}}}}}
```