Create procedures with exceptions and recovery
Write a procedure that handles missing inputs and exceptions.
Reviewed: 2026-10-03
Source-based teaching example · Fictional data
Narration: Microsoft Mark · locally synthesized

00:00:00.000 — What you will learn

Write a procedure that handles missing inputs and exceptions.

Visual description:
Write a procedure that handles missing inputs and exceptions.

00:00:06.333 — The idea

Start with the supplied rule. Explain what happens when required information is missing. Mark suggested additions as proposals rather than established policy.

Visual description:
Start with the supplied rule. Explain what happens when required information is missing. Mark suggested additions as proposals rather than established policy.

00:00:19.500 — One useful term

Exception path. The steps to follow when normal conditions are not met.

Visual description:
The steps to follow when normal conditions are not met.

00:00:27.333 — A worked example · 1

Training requests need a course title and supervisor approval. Approved requests are logged; missing approval sends the request back. No payment is authorized.

Visual description:
Training requests need a course title and supervisor approval. Approved requests are logged; missing approval sends the request back. No payment is authorized.

00:00:41.125 — A worked example · 2

A new duplicate-handling rule needs review.

Visual description:
A new duplicate-handling rule needs review.

00:00:46.667 — Your turn to think

Can a suggested improvement be presented as an existing approved rule? Pause and decide before continuing.

Visual description:
Can a suggested improvement be presented as an existing approved rule?
Pause the video if you need more time.

00:01:04.250 — Why this answer works

No. Label it proposed. Keep required confirmations, identity checks and unresolved problems visible.

Visual description:
No. Label it proposed. Keep required confirmations, identity checks and unresolved problems visible.

00:01:15.292 — Check 1

Preserve the controlling rule.

Visual description:
Preserve the controlling rule.

00:01:20.042 — Check 2

Include a stop or return path.

Visual description:
Include a stop or return path.

00:01:25.167 — Check 3

Distinguish proposed changes from approved policy.

Visual description:
Distinguish proposed changes from approved policy.

00:01:31.333 — Now try a different case

Open the lesson and try its different practice case. Use every check in the full task. Watching alone does not mark the lesson complete.

Visual description:
Open the lesson
Try the new case
Check and revise
The full task and its requirements are in the linked lesson.