Struct ToolExecution 

pub struct ToolExecution {

    pub id: ToolExecId,
    pub tool_name: String,
    pub input: Value,
    pub output: Option<String>,
    pub success: bool,
    pub error: Option<String>,
    pub started_at: u64,
    pub duration_ms: u64,
    pub files_affected: Vec<FileChange>,
    pub tokens: Option<TokenCounts>,
    pub parent_id: Option<ToolExecId>,
    pub session_id: Option<String>,
    pub model: Option<String>,
    pub metadata: HashMap<String, Value>,
}

A single tool execution record

Fields

id: ToolExecId

Unique execution ID

tool_name: String

Tool name/identifier

input: Value

Full input arguments (JSON)

output: Option<String>

Output result

success: bool

Whether execution succeeded

error: Option<String>

Error message if failed

started_at: u64

Execution start time (Unix timestamp ms)

duration_ms: u64

Duration in milliseconds

files_affected: Vec<FileChange>

Files affected by this tool

tokens: Option<TokenCounts>

Token usage for this execution (if applicable)

parent_id: Option<ToolExecId>

Parent execution ID (for nested/sub-agent calls)

session_id: Option<String>

Session or agent ID

model: Option<String>

Model used (if applicable)

metadata: HashMap<String, Value>

Additional metadata

Implementations

impl ToolExecution

pub fn start(tool_name: impl Into<String>, input: Value) -> Self

Create a new tool execution record (call this when starting execution)

pub fn complete_success(self, output: String, duration: Duration) -> Self

Complete the execution with success

pub fn complete_error(self, error: String, duration: Duration) -> Self

Complete the execution with an error

pub fn add_file_change(&mut self, change: FileChange)

Add a file change to this execution

pub fn with_parent(self, parent_id: ToolExecId) -> Self

Set parent execution ID

pub fn with_session(self, session_id: impl Into<String>) -> Self

Set session ID

pub fn with_model(self, model: impl Into<String>) -> Self

Set model

Trait Implementations

impl Clone for ToolExecution

fn clone(&self) -> ToolExecution

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for ToolExecution

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for ToolExecution

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

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for ToolExecution

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

where __S: Serializer,

Serialize this value into the given Serde serializer.