58 lines
1.3 KiB
Markdown
58 lines
1.3 KiB
Markdown
Attribute syntax can contribute additional [[Metadata]] to various [[Objects]], including:
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* Pages
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* Items
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* Tasks
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## Syntax
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The syntax is as follows:
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```
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[attributeName: value]
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```
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For Obsidian/LogSeq compatibility, you can also double the colon like this: `[attributeName:: value]`
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Attribute names need to be alpha-numeric. Values are interpreted as [[YAML]] values. So here are some examples of valid attribute definitions:
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* string: [attribute1: sup]
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* number: [attribute2: 10]
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* array: [attribute3: [sup, yo]]
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Multiple attributes can be attached to a single entity, e.g. like so:
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* Some item [attribute1: sup][attribute2: 22]
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## Scope
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Depending on where these attributes appear, they attach to different things. For instance, this attaches an attribute to a page:
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[pageAttribute: hello]
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However, usually, [[Frontmatter]] is used for this purpose instead.
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Example query:
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```query
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page where name = "{{@page.name}}" select name, pageAttribute
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```
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This attaches an attribute to an item:
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* Item [itemAttribute: hello] #specialitem
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Example query:
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```query
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specialitem where itemAttribute = "hello" select name, itemAttribute
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```
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This attaches an attribute to a task:
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* [ ] Task [taskAttribute: hello]
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Example query:
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```query
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task where page = "Attributes" and taskAttribute = "hello" select name, taskAttribute
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```
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