Purchase Request Approval BPMN

A purchase request approval BPMN diagram shows the handoff from the person who needs an item to the manager who approves spending and the buyer who places the order. Lanes make those responsibilities visible. The approval gateway records the point where a request either stops or moves into procurement. Keep the request, review, decision, and order tasks short so people can scan the process during training or process review. Add finance, budget, supplier, or receiving steps only when they reflect the actual process. This is a workflow map, not a purchasing policy or a substitute for delegated approval limits. Keep the posted drawing current whenever the layout, equipment, or approved route changes.

Type BPMN business processStandard OMG BPMN 2.0.2 / ISO/IEC 19510:2013Engine schematex-bpmnUpdated 9/24/2026

The request

“Draw a BPMN purchase request approval workflow with requester, manager, and procurement lanes; submit a request, review it, decline rejected requests, and create a purchase order for approved requests.”

Then tryAdd a finance approval lane.Add a request revision path.

What is in this drawing

Read the decisions behind it.

01Roles

Separate the requester, approver, and buyer.

02Decision

Make the approval outcome explicit.

03End states

Show both declined and ordered requests.

Use this pattern when one internal request needs a clear approval before purchasing.

Other examples in this family.

Drawing preview

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FAQ

Common questions

What does this BPMN show?

It shows who submits a purchase request, who reviews it, and what happens after approval or rejection.

Why use lanes?

Lanes separate responsibilities so handoffs between requester, manager, and procurement are clear.

Can I add more approvals?

Yes. Add a lane and gateway for finance, compliance, or a budget owner when that role takes part.