This method allows to update existing host macros.

(object/array) to be updated.

(object) Returns an object containing the IDs of the updated host macros under the property.

Changing the value of a host macro

Change the value of a host macro to “public”.

Response:

{
    "jsonrpc": "2.0",
    "result": {
            "1"
        ]
    },

CUserMacro::update() in ui/include/classes/api/services/CUserMacro.php.