API Reference > ecschema-metadata > Utils > DelayedPromise > then

then Method

Attaches callbacks for the resolution and/or rejection of the Promise.

then<TResult1, TResult2>(onfulfilled?: | (value: T) => TResult1 | PromiseLike<TResult1>, onrejected?: | (reason: any) => TResult2 | PromiseLike<TResult2>): Promise<TResult1 | TResult2>

Parameter Type Description
onfulfilled | (value: T) => TResult1 | PromiseLike<TResult1> The callback to execute when the Promise is resolved.
onrejected | (reason: any) => TResult2 | PromiseLike<TResult2> The callback to execute when the Promise is rejected.

Returns - Promise<TResult1 | TResult2>

A Promise for the completion of which ever callback is executed.

Defined in

Last Updated: 20 June, 2023