Expression Language
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Description: Returns a URL-friendly version of the Subject. This is useful, for instance, when using an attribute value to indicate the URL of a website.

Subject Type: String

Arguments: No arguments

Return Type: String

Examples: We can URL-Encode an attribute named "url" by using the Expression ${url:urlEncode()}. If the value of the "url" attribute is " value with spaces", this Expression will then return "".