Filter specific MIDI CC in a snapshot with a split

I have a snapshot with a classic split configuration:
Chain 1: epiano (MIDI CH=1) at left
Chain 2: synth MIDI CH=1) at right

I would like to filter sustain pedal (CC 64) for synth using a MIDI filter for chain 2 but I can’t find the right one.
I got the result using MIDI EVENT FILTER with Block CC set to ON but is it possible to filter only CC 64?

should be:

to filter for example sustain CC64:

use MIDI Event Filter
→ Block Custom Message → Custom Message Type: Control Change (0xBx) → Custom message Data1: 64

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