Struct Event 

pub struct Event {
    pub header: Header,
    pub verb: String,
    pub substrate: SubstrateKind,
    pub actor: String,
    pub outcome: EventOutcome,
    pub data: Option<String>,
    pub duration_us: u64,
    pub target_id: Option<Id128>,
}

A system event. Append-only, never mutated or deleted.

Fields

header: Header

verb: String

The verb that was executed (e.g., “create”, “search”, “traverse”).

substrate: SubstrateKind

Which substrate type was acted upon.

actor: String

Who performed the action (free-form actor string).

outcome: EventOutcome

Outcome of the verb execution.

data: Option<String>

Optional verb-specific structured data (JSON in DB).

duration_us: u64

Duration of the verb execution in microseconds.

target_id: Option<Id128>

ID of the substrate record that was acted upon, if applicable.

Trait Implementations

impl Clone for Event

fn clone(&self) -> Event

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Event

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for Event

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

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for Event

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

where __S: Serializer,

Serialize this value into the given Serde serializer.