Function to create age attribute
dateAdjustment(
startWith = "START_DATE",
startOffset = 0L,
endWith = "END_DATE",
endOffset = 0L
)
character string either START_DATE or END_DATE
an integer value, default 0
character string either START_DATE or END_DATE
an integer value, default 0
A dateAdjustment attribute class that can be used with a query