Property talk:P39

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Facebook page ID
official Facebook page of this entity (only for use with URLs containing "/pages/")

Associated item	Meta Platforms (Q2506)
Applicable "stated in" value	Facebook (Q101)
Has quality	case insensitive (Q2491)
Data type	External identifier
Allowed values	[\p{L}\d]+(?:[-_.][\p{L}\d]+)*/[1-9][0-9]+ (keywords or decimal integers, possibly linked by a dash, underscore or dot, followed by a slash and a decimal integer identifier)
Formatter URL	https://www.facebook.com/pages/$1
Related to country	United States of America (Q671) (See 10 others)
See also	Facebook ID (P21)
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 Gratispaideia 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)> Map Random list
Proposal discussion	[not applicable Proposal discussion]
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Distinct values: this property likely contains a value that is different from all other items. Exceptions are possible as rare values may exist. List of this constraint violations: Database reports/Constraint violations/P39#Unique value, SPARQL (every item), SPARQL (by value)

Single value: this property generally contains a single value. Exceptions are possible as rare values may exist. List of this constraint violations: Database reports/Constraint violations/P39#Single value, SPARQL

Format “[\p{L}\d]+(?:[-_.][\p{L}\d]+)*/[1-9][0-9]+”: value must be formatted using this pattern (PCRE syntax). Exceptions are possible as rare values may exist. List of this constraint violations: Database reports/Constraint violations/P39#Format, SPARQL

Item “Facebook ID (P21)”: Items with this property should also have “Facebook ID (P21)”. Exceptions are possible as rare values may exist. List of this constraint violations: Database reports/Constraint violations/P39#Item, search, SPARQL

Allowed entity types are Wikibase item datatype (Q799): the property may only be used on a certain entity type Exceptions are possible as rare values may exist. List of this constraint violations: Database reports/Constraint violations/P39#allowed entity types

Conflicts with “website account on (P390): Facebook (Q101)”: this property must not be used with the listed properties and values. List of this constraint violations: Database reports/Constraint violations/P39#Conflicts with, hourly updated report, search, SPARQL

Scope is as main value (Q793), as reference (Q780): the property must be used by specified way only Exceptions are possible as rare values may exist. List of this constraint violations: Database reports/Constraint violations/P39#scope, SPARQL