Sales Commissions / SPM — Calculates what each rep earns — comp plans, crediting rules, quota attainment, accelerators, and payout statements. Closed-won deals and invoiced or collected revenue feed it, and its accruals flow into financial close so commission expense lands in the right period.
Sales Commissions / SPM lives in the Financial Operations phase of Run Revenue Operations — the stage where you collect the cash, close the books, keep customers healthy. In the corpus tool index this phase maps to the Revenue recognition and Analyticscategories.