Need help to transfer interpretation and analysis settings to rtl_433

[jhit]

I managed to partly understand the protocol of a device.
Now I would like to create a device plugin for rtl_433, but I cannot get rtl_433 to decode the signal.

I could need some help from someone who has already done this before. My main issue here is, that Modulation and Decoding do not give any meaningful result in rtl_433.

This are my settings in URH

And this is what I set in my decoder:

        .modulation  = FSK_PULSE_PCM,
        .short_width = 50,
        .long_width  = 50,
        .sync_width  = 0,
        .gap_limit   = 1000,
        .reset_limit = 1000,

I tried some other modulations in rtl_433 but the bitbuffer content is always not what I expect to see.