Get Request and Session Parameters and Attributes from JSF pages

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You can get a request parameter id using the expression:

<h:outputText value="#{param['id']}" />
  • param—An immutable Map of the request parameters for this request, keyed by
    parameter name. Only the first value for each parameter name is included.
  • sessionScope—A Map of the session attributes for this request, keyed by
    attribute name.

Section 5.3.1.2 of the JSF 1.0 specification defines the objects that must be resolved by the variable resolver.

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