Property talk:P9849

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Mozilla extension ID
unique identifier of a Mozilla extension or a WebExtension targeting the Gecko platform

Data type	External identifier
Domain	Firefox extension (Q15008061)
Example	HTTPS Everywhere (Q1566093) → https-everywhere-eff@eff.org ChatZilla (Q724128) → {59c81df5-4b7a-477b-912d-4e0fdf64e5f2} AVIM for Firefox (Q94572564) → {2B8EFF80-1240-11DB-BF6C-934CD2EFDFE8} Privacy Badger (Q17559386) → jid1-MnnxcxisBPnSXQ@jetpack
See also	Firefox Add-ons URL slug (P8579), Chrome Web Store extension ID (P8559)
Lists	Items with the most statements of this property Count of items by number of statements (chart) Items with the most statements Items with the fewest statements Count of items by number of sitelinks (chart) Items with the most sitelinks Items with the most sitelinks, but no link to one Wikipedia (sample: Welsh Wikipedia, cywiki) Items with the fewest sitelinks Most linked wikis Items with the most identifier properties Items with no other external identifier Items with no other statements Most recently created items Items with novalue claims Items with unknown value claims Usage history (total) Usage history (main statement) Database reports/Constraint violations/P9849 Map Random list
Proposal discussion	Proposal discussion
Current uses	Total 14 Main statement 10 71.4% of uses Qualifier 4 28.6% of uses
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[create Create a translatable help page (preferably in English) for this property to be included here]

Type “Firefox extension (Q15008061)”: item must contain property “instance of (P31)” with classes “Firefox extension (Q15008061)” or their subclasses (defined using subclass of (P279)). (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P9849#Type Q15008061, SPARQL

Distinct values: this property likely contains a value that is different from all other items. (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P9849#Unique value, SPARQL (every item), SPARQL (by value)

Scope is as main value (Q54828448): the property must be used by specified way only (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P9849#Scope, SPARQL

Allowed entity types are Wikibase item (Q29934200): the property may only be used on a certain entity type (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P9849#Entity types

Citation needed: the property must have at least one reference (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P9849#citation needed