# Method Search.Database.Base()->set_metadata()

Method set_metadata

  ``void` set_metadata(`Standards.URI`|`string` `uri`, `void`|`string` `language`, `mapping`(`string`:`string`) `metadata`)`

Description

  Set a metadata collection for a document.

Parameter `uri`

  The URI of the resource being indexed.

Parameter `language`

  A two letter ISO-639-1 language code, or 0 if the document is language neutral.

Parameter `metadata`

  A collection of metadata strings to be set for a document. The strings may be wide. The "body" metadata may be cut off at 64K.