If all you need is to make the first field all caps, that is very easy with RegEx:
Example Output
Below is just an example written in response to your request. You will need to use as an example and/or change to meet your workflow automation needs.
Please let us know if it meets your needs.
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MACRO: Make first Field All Caps [Example]
-~~~ VER: 1.0 2020-11-07 ~~~
Requires: KM 8.2.4+ macOS 10.11 (El Capitan)+
(Macro was written & tested using KM 9.0+ on macOS 10.14.5 (Mojave))
DOWNLOAD Macro File:
Make first Field All Caps [Example].kmmacros
Note: This Macro was uploaded in a DISABLED state. You must enable before it can be triggered.