f:ajax elementinin yazım kuralı aşağıdaki gibi gösterilebilir :
<f:ajax [event=”Literal”] [execute=”Literal | Value Expression”] [render=”Literal | Value Expression”] [onevent=”Literal | Value Expression”] [onerror=”Literal | Value Expression”] | [listener=”Method Expression”] [disabled=”Literal|Value Expression”] [immediate=”Literal|ValueExpression]/>