Convert samplerate for files in Cast 2

I changed from Wavelab to Wavelab Cast 2.0 and am wondering, how to change/convert the samplerate of source files? It was always a menu option in any Wavelab version I used, but here I cannnot find it. I often work with different input files from various sources so I have to bring them to a unified 48kHz.
Any workaround suggestion so far? Plugin?

In the Master Section plugin list, look for “Resampler”.

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