{ "$schema": "http://json-schema.org/draft-07/schema#", "title": "PressParams", "type": "object", "required": [ "key", "session_id" ], "properties": { "hold_ms": { "description": "Hold the key down for this many milliseconds between `keyDown` and `keyUp`. Useful for testing long-press handlers.", "type": [ "integer", "null" ], "format": "uint32", "minimum": 0.0 }, "key": { "description": "Logical key name. Accepts CDP `key` strings (`Enter`, `Escape`, `ArrowDown`, single characters like `a`), or a compound expression such as `Ctrl+A` / `Meta+Shift+P`. Modifiers in the compound form combine with anything supplied via `modifiers`.", "type": "string" }, "modifiers": { "type": [ "array", "null" ], "items": { "$ref": "#/definitions/KeyModifier" } }, "ref": { "description": "Optional target to focus before dispatching the key.", "type": [ "string", "null" ] }, "selector": { "type": [ "string", "null" ] }, "session_id": { "type": "string" }, "tab_id": { "type": [ "integer", "null" ], "format": "int64" }, "timeout_ms": { "type": [ "integer", "null" ], "format": "uint32", "minimum": 1.0 } }, "definitions": { "KeyModifier": { "description": "Keyboard modifier flags. Multiple flags may be combined; the extension folds them into CDP's bitfield (`alt=1, ctrl=2, meta=4, shift=8`).", "type": "string", "enum": [ "alt", "ctrl", "meta", "shift" ] } } }