Struct Scope 

pub struct Scope<'a> {
    pub context: &'a Value,
    pub event: &'a Value,
    pub result: &'a Value,
    pub error: &'a Value,
    pub config: &'a Value,
    pub completed: &'a HashSet<String>,
    pub now: DateTime<Utc>,
}

What an expression reads.

Fields

context: &'a Value

The instance’s context.

event: &'a Value

The event being handled.

result: &'a Value

The result of the step that just ran.

error: &'a Value

The failure message a step was routed on.

config: &'a Value

The workflow’s configuration.

completed: &'a HashSet<String>

The names of the steps that completed.

now: DateTime<Utc>

When the step runs.