The phrase "a secondary function of" is correct and usable in written English.
It can be used when discussing an additional or less important role that something plays in a particular context.
Example: "While the primary purpose of the software is to manage data, a secondary function of it is to generate reports."
Alternatives: "an additional role of" or "a supplementary function of".
In a fundamentally French way, blogs were principally used during the referendum campaign to discuss and debate the implications of the treaty, with a secondary function of mobilizing and motivating supporters and galvanising activists on the ground for specific events.
Specifically, some of the text in P3 assigned Move 1 (Establishing a territory) also serves a secondary function of indicating methodology of research (i.e., Move 5).
Arrigo explained that a secondary function of TheWaveVR is to act as an interface for people to program music [in a 3D environment?].
Major district roads provide a secondary function of linking between main roads and rural roads.
A secondary function of the dog is to "sniff out" ingredients by putting his nose to the ground and smelling for items.
Eaton had suggested that a secondary function of the crest might have been as a counterbalance against the long beak, reducing the need for heavy neck muscles to control the orientation of the head.
These proteins serve a secondary function as part of a mixture or concoction of skin secretions that is used for defense.
Although these studies recognising some of the expertise of CHWs, this is a secondary function, a by-product of the main purpose of the work.
In addition to a primary function of cleaving RNA, there is a putative secondary function of catabolizing urea in ascending xylem sap and associated apoplastic space.
We hypothesize that the main protein of these genes could have dual functions, the primary function is as a trans-acting factor in an unknown signalling cascade, and a secondary function as a regulator of mORF expression whereby the mORF protein phosphorylates the serine-rich uORF peptides, resulting in a conformational change that allows the uORF peptides to bind and stall ribosomes [ 16].
It was installed in a driving simulator, as an accelerator pedal with the secondary function of a vibrotactile Frontal Collision Warning (FCW).
