What does the Encode codec function do?

ChirpStack Application Server
1

I’m using a RAK7200 tracker, and it has stuff in the payload I want to strip out. It’s supplying temp and barometric fields, but since that tracker doesn’t have those sensors, they are always zero. Cayenne doesn’t allow you to mask off/not display a field, so deleting the widgets doesn’t stick.

I am hoping that the Encode function allows me to change the payload. Is that correct? Does anyone have a sample?

2

No. you can’t change the payload format this way, you need to change firmware at all.
write custom decode function
better to ask in profile forum, here, for example:

3

Thanks, I have asked there as well, for the specific case.

So I’m confused what Encode codec functions are used for.

4

encode function needs to prepare the bytes for downlink from appserver to endnode, in case of endnode support it.