Meta Operations - "set_meta"

I Ain't Afraid of No Code!

[
    [
        "set_meta",
        {
            "clear": false,
            "sourcefield": "_MetaFieldValue_",
            "value": null,
            "subtable": null,
            "fieldname": "_MetaField_",
            "_comment": null
        }
    ]
]

[
    [
        "set_meta",
        {
            "clear": true,
            "sourcefield": null,
            "value": 9999,
            "subtable": null,
            "fieldname": "adverity_client_id",
            "_comment": null
        }
    ]
]

param bool clear: Clears all keys currently set in the metadata section.

param str sourcefield: Field containing metadata. Either sourcefield or value is required.

param str value: Value to be set. Must be unique for extract. 

param str subtable: Name a subtable in which output will be stored (will create subtable where necessary). 

param str fieldname: Field to be created in meta header.

param str comment: A comment that will appear in the Transformation UI.