| Display title | Specification pattern |
| Default sort key | Specification pattern |
| Page length (in bytes) | 19,045 |
| Namespace ID | 0 |
| Page ID | 12088522 |
| Page content language | en - English |
| Page content model | wikitext |
| Indexing by robots | Allowed |
| Number of page watchers | 32 |
| Number of page watchers who visited in the last 30 days | 4 |
| Number of redirects to this page | 1 |
| Counted as a content page | Yes |
| Wikidata item ID | Q7575013 |
| Local description | Software design pattern |
| Central description | design pattern where business rules can be recombined by chaining them together using boolean logic, often used in domain-driven design |
| Page image |  |
| Page views in the past 30 days | |
| Edit | Allow all users (no expiry set) |
| Move | Allow all users (no expiry set) |
| Page creator | Wavell2003 (talk | contribs) |
| Date of page creation | 19:31, 4 July 2007 |
| Latest editor | Jerryobject (talk | contribs) |
| Date of latest edit | 23:00, 1 August 2024 |
| Total number of edits | 131 |
| Recent number of edits (within past 30 days) | 0 |
| Recent number of distinct authors | 0 |
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| Transcluded templates (43) | Pages transcluded onto the current version of this page (help):
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