What data is passed through AWRKMEL? Workflow code [F:AWA]CODE is null

SUGGESTED

Hello,

I want to change the workflow sender depending on the workflow code [F:AWA]CODE. The workflow code in question is ZTEST

However, in a custom ZAWRKMEL script, the [F:AWA]CODE value does not seem to pass through. The result is an email sent by myself (GUSER)

$ACTION
Case ACTION
When "EMAIL" : Gosub ZSENDER
Endcase
Return

$ZSENDER
If [F:AWA]CODE = "ZTEST"
EXP_MAIL = "[email protected]"
Endif
Return

Does anyone know how to make this work?

Thank you,

Zoey