Database Management Reference Manual

Examples:
To return true if element has changed at all since the comparison date use:
	Q MODIFIED()
		It will also return true if the element has been created since the comparison date.
To return true if POS or ORI have been modified since the comparison date use:
	Q MODIFIED(POS,ORI)
To return true if the position of P1 has changed use.
	Q MODIFIED(P1 POS)
		You may follow each attribute name with the qualifying keywords below.
To check this element and members use:
	OFFSPRING
To check all elements for which this element represents the significant one use:
	SIGNIF
To check all elements for which this element represents the primary one use:
	PRIMARY
To check this element and everything below (descendants):
	DESCENDANTS
You can use the keywords below on their own to test for any attribute change. e.g. to return true if any geometry for item or any descendants have changed use:
	Q MODIFIED(GEOM DESCENDANTS)
To return true if any element for which this element is primary, has changed use:
	Q MODIFIED(PRIMARY)
You may use the ‘OF’ syntax as for attributes. e.g. to return true if /PIPE1 has been modified since the comparison date use:
	Q MODIFIED() OF /PIPE1
You may put the new functions anywhere within an AVEVA E3D™ PML1 expression. i.e. after Q/Var and within collections. e.g.
	Q (BUIL OR MODIFIED() OR ELECREC OF NEXT )