Enum ContentBlock 

pub enum ContentBlock {
    Text {
        text: String,
    },
    Reasoning {
        text: String,
        signature: Option<String>,
        details: Vec<Value>,
    },
    Image {
        source: ImageSource,
    },
    Audio {
        source: MediaSource,
    },
    Video {
        source: MediaSource,
    },
    File {
        source: FileSource,
    },
    ToolCall(ToolCall),
    ToolResult(ToolResult),
    Mcp(McpContent),
    Refusal {
        text: String,
    },
    Unknown {
        provider: FormatId,
        raw: Value,
    },
}

Normalized content block variants carried by messages and tool results.

Variants

Text

Plain text content.

Fields

text: String

Text value.

Reasoning

Model reasoning or thinking content.

Fields

text: String

Reasoning text.

signature: Option<String>

Provider signature used to validate or continue the reasoning block.

details: Vec<Value>

Structured reasoning details, such as an encrypted { "type": "reasoning.encrypted", "data": "..." } object, replayed without modification.

Image

Image content.

Fields

source: ImageSource

Image location or inline payload.

Audio

Audio content.

Fields

source: MediaSource

Audio location or inline payload.

Video

Video content.

Fields

source: MediaSource

Video location or inline payload.

File

File content.

Fields

source: FileSource

File identifier or inline payload.

ToolCall(ToolCall)

Tool invocation requested by the assistant.

ToolResult(ToolResult)

Result of an earlier tool invocation.

Mcp(McpContent)

MCP activity executed by the backend, rather than by the calling agent.

Refusal

Provider refusal content.

Fields

text: String

Human-readable refusal text.

Unknown

Provider block that has no normalized representation.

Fields

provider: FormatId

Wire format that supplied the block.

raw: Value

Exact provider block.

Trait Implementations

impl Clone for ContentBlock

fn clone(&self) -> ContentBlock

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for ContentBlock

fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for ContentBlock

fn deserialize<__D>( __deserializer: __D, ) -> Result<ContentBlock, <__D as Deserializer<'de>>::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl PartialEq for ContentBlock

fn eq(&self, other: &ContentBlock) -> bool

Equality operator ==.

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=.

impl Serialize for ContentBlock

fn serialize<__S>( &self, __serializer: __S, ) -> Result<<__S as Serializer>::Ok, <__S as Serializer>::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.

impl StructuralPartialEq for ContentBlock