Set quick fields to default, and then you can add your own via -f

api.sh

@@ -122,7 +122,7 @@ print_help() {
     --help	This text
     --helpopt	Show help for command options
     --keyfile	APIkeyFile="\$2"
-    -q|--quick	Appends the following to -f: .host_name,.service_description,.current_state,.state_type,.problem_has_been_acknowledged (assumes servicestatus)
+    -q|--quick	Sets -f to .host_name,.service_description,.current_state,.state_type,.problem_has_been_acknowledged (assumes servicestatus)
     -Q		Same as --quick but add -o c
     -j|--jq	moreJQ="\$2"
     -v|--verbose	verbose=\$((\$verbose + 1))
@@ -365,7 +365,11 @@ case "$myAPIep" in
     jq_add_contactgroup
     ;;
 esac
-[ -n "$myQuick" ] && myFields+=".host_name,.service_description,.current_state,.state_type,.problem_has_been_acknowledged"
+if [ -n "$myQuick" -a -n "$myFields" ]; then
+  myFields=".host_name,.service_description,.current_state,.state_type,.problem_has_been_acknowledged,${myFields}"
+elif [ -n "$myQuick" ]; then
+  myFields=".host_name,.service_description,.current_state,.state_type,.problem_has_been_acknowledged"
+fi
 [ -n "$myFields" ] && jq_get_fields
 jqString+="$moreJQ"
 do_debug 1 "jqString=$jqString"