emit
statement
Syntax
EmitStatement :
emit
EventLiteral(
CallParams?)
EventLiteral :
IDENTIFIERName of event defined in current moduleCallParams :
CallArg (,
CallArg )*,
?CallArg :
(CallArgLabel:
)? ExpressionCallArgLabel :
IDENTIFIERLabel must correspond to the name of the event property at the given position. It can be omitted if parameter name and event property name are equal.
The emit
statement is used to create log entries in the blockchain. The emit
keyword is followed by a literal that corresponds to a defined event, followed by a parenthesized comma-separated list of expressions.
Examples:
use std::context::Context
contract Foo:
event Mix:
num1: u256
idx addr: address
num2: u256
my_bytes: Array<u8, 100>
pub fn emit_mix(ctx: Context, addr: address, my_bytes: Array<u8, 100>):
emit Mix(ctx, num1: 26, addr, num2: 42, my_bytes)