Application parameters

Parameters are nodes that have a basic type and can be overridden during deployment. A parameter can have a default value and a decorator, which instructs the application's user how to configure it.

Parameter types

• string – A string. For example, DEBUG.

• int32 – An integer. For example, 20

• float32 – A floating point number. For example, 47.5

• boolean – true or false.

The following example shows two parameters, a string and a number, which are sent to a code node as inputs.

Example graph.json – Parameters

        "nodes": [
            {
                "name": "detection_threshold",
                "interface": "float32",
                "value": 20.0,
                "overridable": true,
                "decorator": {
                    "title": "Threshold",
                    "description": "The minimum confidence percentage for a positive classification."
                }
            },
            {
                "name": "log_level",
                "interface": "string",
                "value": "INFO",
                "overridable": true,
                "decorator": {
                    "title": "Logging level",
                    "description": "DEBUG, INFO, WARNING, ERROR, or CRITICAL."
                }
            }
            ...
        ],
        "edges": [
            {
                "producer": "detection_threshold",
                "consumer": "code_node.threshold"
            },
            {
                "producer": "log_level",
                "consumer": "code_node.log_level"
            }
            ...
        ]
    }

You can modify parameters directly in the application manifest, or provide new values at deploy-time with overrides. For more information, see Deploy-time configuration with overrides.