diff --git a/cmd/hichipbridge/env.sample b/cmd/hichipbridge/env.sample
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+# Host for the SMTP server where you're going to receive email notifications
+HICHIPBRIDGE_SMTP_HOST="smtp-server.example.com"
+# MQTT broker endpoint
+HICHIPBRIDGE_MQTT_BROKER="mqtt://mqtt-broker.example.com:1883"
+# MQTT client id
+HICHIPBRIDGE_MQTT_CLIENTID="hichipbridge"
+# MQTT username
+HICHIPBRIDGE_MQTT_USERNAME="user"
+# MQTT password
+HICHIPBRIDGE_MQTT_PASSWORD="password"
+# Prefix for the MQTT topics where events will be saved
+HICHIPBRIDGE_MQTT_TOPIC="hichipbridge"
+# Token for the email notifications
+HICHIPBRIDGE_EMAIL_TOKEN="superconfidentialtoken;)"