Is the supplication for seeking guidance (istikharah) performed before or after the closing salam?

The Shaykh : Yes.

The questioner: Peace be upon you.

The Shaykh : And peace be upon you.

The questioner : How are you, Shaykh?

The Shaykh : Praise be to Allah, I am well.

The questioner : Calling from America, Samir Mahmoud is with you.

The Shaykh: Who?

The questioner : Samir Mahmoud from America.

The Shaykh : Welcome. Which part of America? May Allah save you from all of it?

The questioner : Amen, O Allah, amen.

The Shaykh : From which part?

The questioner: Yes.

The Shaykh : Which part are you from?

The questioner : From California.

The Shaykh : California.

The questioner : Yes.

The Shaykh : Okay, what do you have?

The questioner : I have several questions?

The Shaykh : Go ahead, let's see. First question, let's try our luck with you.

The questioner : All right, may Allah reward you with good.

The Shaykh : And beware of yourself.

The questioner : The first question is about the prayer for seeking guidance (istikharah).

The Shaykh: Yes

The questioner : Is the supplication performed before the closing salam or after the closing salam?

The Shaykh : After the taslim.

The questioner : After the taslim.

The Shaykh: Yes.