LET url = @dynamic + "?redirect=/iframe&src=/events"
LET page = DOCUMENT(url, { driver: 'cdp' })
LET doc = page.frames[1]

WAIT_ELEMENT(doc, "#page-events")

// with fixed timeout
LET b1 = ELEMENT(doc, "#wait-class-btn")
LET c1 = ELEMENT(doc, "#wait-class-content")

WAIT(2000)
CLICK(b1)

WAIT_CLASS(c1, "alert-success")

// with random timeout
LET b2 = ELEMENT(doc, "#wait-class-random-btn")
LET c2 = ELEMENT(doc, "#wait-class-random-content")

CLICK(b2)
WAIT_CLASS(c2, "alert-success", 10000)

RETURN ""