What is the Valuation/Settlement date used when using modular objects

I've started implementing a code to value a portfolio of options using Modular Objects:

https://www.mathworks.com/help/fininst/price-financial-instruments-using-object-based-framework.html?s_tid=CRUX_lftnav

The think is that there is no place to set the Settlement/Valuation Date. Does it use the Settle date of the ratecurve? It is possible to set a specific date to valuate the portfolio in different days using the same rate curve?

Thank you in advance,