Struct SamplingMessage 

#[non_exhaustive]
pub struct SamplingMessage {
    pub role: Role,
    pub content: SamplingMessageContent,
}

Sampling message.

Fields (Non-exhaustive)

Non-exhaustive structs could have additional fields added in future. Therefore, non-exhaustive structs cannot be constructed in external crates using the traditional Struct { .. } syntax; cannot be matched against without a wildcard ..; and struct update syntax will not work.

role: Role

Message role

content: SamplingMessageContent

Message content (expanded to support tool use in MCP 2025-11-25)

Implementations

impl SamplingMessage

pub fn new(role: Role, content: SamplingMessageContent) -> Self

Create a sampling message.

Trait Implementations

impl Clone for SamplingMessage

fn clone(&self) -> SamplingMessage

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for SamplingMessage

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for SamplingMessage

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for SamplingMessage

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

where __S: Serializer,

Serialize this value into the given Serde serializer.