Bedrock Runtime  >  Unions  >  ContentBlockStart

ContentBlockStart

Union Type

ContentBlockStart module-attribute

ContentBlockStart = Union[ContentBlockStartToolUse | ContentBlockStartToolResult | ContentBlockStartImage | ContentBlockStartUnknown]

Content block start information.

Union Member Types

ContentBlockStartToolUse dataclass

Information about a tool that the model is requesting to use.

Attributes

value instance-attribute

value: ToolUseBlockStart

ContentBlockStartToolResult dataclass

The

Attributes

value instance-attribute

value: ToolResultBlockStart

ContentBlockStartImage dataclass

The initial event indicating the start of a streaming image block.

Attributes

value instance-attribute

value: ImageBlockStart

ContentBlockStartUnknown dataclass

Represents an unknown variant.

If you receive this value, you will need to update your library to receive the parsed value.

This value may not be deliberately sent.

Attributes

tag instance-attribute

tag: str