# saxon:string-to-base64Binary()

saxon:string-to-base64Binary($in as xs:string, $encoding as xs:string) ==> xs:base64Binary

This function takes as input a string and the name of a character encoding (for example "UTF8"). It encodes the contents of the string value as a sequence of bytes using a particular encoding, and returns the `xs:base64Binary` representation of this sequence of bytes.

For example, the call `saxon:string-to-base64Binary("Dassel", "UTF8")` returns the `xs:base64Binary` value whose lexical representation is `"RGFzc2VsIA=="`.

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