is there a way to add a function to drop for windows event logs that are sent via syslog?

I am new here and don't know where to start or ask this question.But, is there a way to add a function to the pipeline to drop
for windows event logs that are sent via syslog to a separate SIEM that only collects logs via syslog?Below is an example of how the logs are post-processed in syslog.`
Process Information:
Process ID:
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