object usermacro.update(object/array hostMacros)
This method allows to update existing host macros.
(object/array) Host macro properties to be updated.
hostmacroid property must be defined for each host macro, all other properties are optional. Only the passed properties will be updated, all others will remain unchanged.
(object) Returns an object containing the IDs of the updated host macros under the
Change the value of a host macro to "public".
CUserMacro::update() in frontends/php/include/classes/api/services/CUserMacro.php.