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Thing > Property > about

The subject matter of the content.

Inverse-property: subjectOf.

Values expected to be one of these types
`Thing`

Used on these types
`CommunicateAction` `CreativeWork` `Event`

Sub-properties
`mainEntity`

Source

https://github.com/schemaorg/schemaorg/issues/1670

Examples

Example 1

Without Markup Microdata RDFa JSON-LD

A JSON example for an Article about a particular event.

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<script type="application/ld+json">{  "@context": "http://schema.org/",  "@type": "Article",  "name": "Apple announces iPhone SE",  "description": "New iPhone announced at 11:30 in California.",  "about": {    "@type": "Event",    "name": "Apple's March 21 Announcements"  },  "contentReferenceTime": "2016-03-21T11:30:00-07:00"}</script>

Example 2

Without Markup Microdata RDFa JSON-LD

A JSON example for an Article about a particular event.

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N/A

<script type="application/ld+json">{  "@context": "http://schema.org/",  "@type": "Article",  "name": "Apple announces iPhone SE",  "description": "New iPhone announced at 11:30 in California.",  "about": {    "@type": "Event",    "name": "Apple's March 21 Announcements"  },  "contentReferenceTime": "2016-03-21T11:30:00-07:00"}</script>