Triggered after startInitFunction, with additional data.
May be triggered multiple times under the same init function type, but with a different order
value.
Several initFunctionInvoking and in turn initFunctionInvoked events will be triggered after this. After the init functions were invoked, startInitFunctionOrder may be triggered again with additional functions, or endInitFunction will be triggered, finalizing the process.
This is the data
provided to the message event:
interface EventData {
eventName: 'startInitFunctionOrder',
type: string,
order: number,
count: number,
}