## system.VALID_META_KEYS


Valid metadata keys for the dublin core metadata.


`system.VALID_META_KEYS={`\
`    `<span class="st">`"creator": True,`\
`    ``"date"``: False,`\
`    ``"identifier"``: True,`\
`    ``"relation"``: True,`\
`    ``"description"``: True,`\
`    ``"source"``: True,`\
`    ``"type"``: True,`\
`    ``"publisher"``: True,`\
`    ``"format"``: False,`\
`    ``"language"``: False,`\
`}`\
</span>


The 'false' keys are auto-generated and cannot be set.