rfc822NameIsIn Function Description

Description

Returns true if the value of the first parameter is in the bag of values of the second parameter. Attributes of type rfc822Name are compared using the rfc822NameEqual function.

rfc822NameIsIn belongs to the ALFA function reference's Bag functions category. It maps to the XACML function identifier urn:oasis:names:tc:xacml:1.0:function:rfc822Name-is-in, takes 2 arguments and returns a value of type boolean.

Property Value
Category Bag functions
# Arguments 2
Arguments
  • atomic (single) value of type rfc822Name
  • bag (collection) of values of type rfc822Name
Return Value boolean
Expressed As pre-fix
Representation ALFA short name
Allowed In Target true
ALFA Shorthand None
Commutative false

Example

/**
* Check that the value [email protected] is in the list of emails.
*/
rule rfc822NameIsInExample{
    target clause rfc822NameIsIn("[email protected]":rfc822Name,email)
    permit
}

Permit if the value passed as the first parameter is in the bag of values passed as the second parameter