Struct ObservationV2 

pub struct ObservationV2 {

    pub id: String,
    pub trace_id: Option<Option<String>>,
    pub start_time: DateTime<FixedOffset>,
    pub end_time: Option<Option<DateTime<FixedOffset>>>,
    pub project_id: String,
    pub parent_observation_id: Option<Option<String>>,
    pub type: String,
    pub name: Option<Option<String>>,
    pub level: Option<ObservationLevel>,
    pub status_message: Option<Option<String>>,
    pub version: Option<Option<String>>,
    pub environment: Option<Option<String>>,
    pub bookmarked: Option<Option<bool>>,
    pub public: Option<Option<bool>>,
    pub user_id: Option<Option<String>>,
    pub session_id: Option<Option<String>>,
    pub completion_start_time: Option<Option<DateTime<FixedOffset>>>,
    pub created_at: Option<Option<DateTime<FixedOffset>>>,
    pub updated_at: Option<Option<DateTime<FixedOffset>>>,
    pub input: Option<Option<Value>>,
    pub output: Option<Option<Value>>,
    pub metadata: Option<Option<Value>>,
    pub provided_model_name: Option<Option<String>>,
    pub internal_model_id: Option<Option<String>>,
    pub model_parameters: Option<Option<Value>>,
    pub usage_details: Option<Option<HashMap<String, i32>>>,
    pub cost_details: Option<Option<HashMap<String, f64>>>,
    pub total_cost: Option<Option<f64>>,
    pub usage_pricing_tier_name: Option<Option<String>>,
    pub prompt_id: Option<Option<String>>,
    pub prompt_name: Option<Option<String>>,
    pub prompt_version: Option<Option<i32>>,
    pub latency: Option<Option<f64>>,
    pub time_to_first_token: Option<Option<f64>>,
    pub model_id: Option<Option<String>>,
    pub trace_name: Option<Option<String>>,
    pub tags: Option<Option<Vec<String>>>,
    pub release: Option<Option<String>>,
}

ObservationV2 : An observation from the v2 API with field-group-based selection. Core fields are always present. Other fields are included only when their field group is requested.

Fields

id: String

The unique identifier of the observation

trace_id: Option<Option<String>>

The trace ID associated with the observation

start_time: DateTime<FixedOffset>

The start time of the observation

end_time: Option<Option<DateTime<FixedOffset>>>

The end time of the observation

project_id: String

The project ID this observation belongs to

parent_observation_id: Option<Option<String>>

The parent observation ID

type: String

The type of the observation (e.g. GENERATION, SPAN, EVENT)

name: Option<Option<String>>

The name of the observation

level: Option<ObservationLevel>

status_message: Option<Option<String>>

The status message of the observation

version: Option<Option<String>>

The version of the observation

environment: Option<Option<String>>

The environment from which this observation originated

bookmarked: Option<Option<bool>>

Whether the observation is bookmarked

public: Option<Option<bool>>

Whether the observation is public

user_id: Option<Option<String>>

The user ID associated with the observation

session_id: Option<Option<String>>

The session ID associated with the observation

completion_start_time: Option<Option<DateTime<FixedOffset>>>

The completion start time of the observation

created_at: Option<Option<DateTime<FixedOffset>>>

The creation timestamp of the observation

updated_at: Option<Option<DateTime<FixedOffset>>>

The last update timestamp of the observation

input: Option<Option<Value>>

The input data of the observation

output: Option<Option<Value>>

The output data of the observation

metadata: Option<Option<Value>>

Additional metadata of the observation

provided_model_name: Option<Option<String>>

The model name as provided by the user

internal_model_id: Option<Option<String>>

The internal model ID matched by Langfuse

model_parameters: Option<Option<Value>>

The parameters of the model used for the observation

usage_details: Option<Option<HashMap<String, i32>>>

The usage details of the observation. Key is the usage metric name, value is the number of units consumed.

cost_details: Option<Option<HashMap<String, f64>>>

The cost details of the observation. Key is the cost metric name, value is the cost in USD.

total_cost: Option<Option<f64>>

The total cost of the observation in USD

usage_pricing_tier_name: Option<Option<String>>

The name of the pricing tier applied to this observation’s usage costs

prompt_id: Option<Option<String>>

The prompt ID associated with the observation

prompt_name: Option<Option<String>>

The prompt name associated with the observation

prompt_version: Option<Option<i32>>

The prompt version associated with the observation

latency: Option<Option<f64>>

The latency in seconds

time_to_first_token: Option<Option<f64>>

The time to first token in seconds

model_id: Option<Option<String>>

The matched model ID

trace_name: Option<Option<String>>

The name of the parent trace

tags: Option<Option<Vec<String>>>

Tags from the parent trace (denormalized onto the observation)

release: Option<Option<String>>

The release version of the parent trace

Implementations

impl ObservationV2

pub fn builder() -> ObservationV2Builder

Create an instance of ObservationV2 using the builder syntax

impl ObservationV2

pub fn new( id: String, start_time: DateTime<FixedOffset>, project_id: String, type: String, ) -> ObservationV2

An observation from the v2 API with field-group-based selection. Core fields are always present. Other fields are included only when their field group is requested.

Trait Implementations

impl Clone for ObservationV2

fn clone(&self) -> ObservationV2

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for ObservationV2

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

Formats the value using the given formatter.

impl Default for ObservationV2

fn default() -> ObservationV2

Returns the “default value” for a type.

impl<'de> Deserialize<'de> for ObservationV2

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

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl PartialEq for ObservationV2

fn eq(&self, other: &ObservationV2) -> bool

Equality operator ==.

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

Inequality operator !=.

impl Serialize for ObservationV2

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

where __S: Serializer,

Serialize this value into the given Serde serializer.

impl StructuralPartialEq for ObservationV2