User-definable macros are supported in the following locations:
* Update interval
* SNMPv3 context name
* SNMPv3 security name
* SNMPv3 auth pass
* SNMPv3 priv pass
* SNMPv1/v2 community
* SNMP OID
* Name
* Update interval
* Agent
* HTTP proxy
* Variables
* Headers
* Step name
* Step URL
* Step post variables
* Step headers
* Step timeout
* Required string
* Required status codes
* Authentication (user and password)
* SSL certificate file
* SSL key file
* SSL key password
For a complete list of all macros supported Zabbix, see macros supported by location.