The !certificate directive allows a user to directly reference a certificate file from one or more local connection configuration files. This directive takes a single parameter, which is a filename in the .ax/certificates directory. Below is an example configuration using this directive:
.ax/plcs/Plc_1.yaml
host: 192.168.3.1
certificate: !certificate PLC-Communication-2.pem
.ax/certificates/PLC-Communication-2.pem
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----