blockly > Events > Abstract > isBlank
Events.Abstract.isBlank property
Whether or not the event was constructed without necessary parameters (to be populated by fromJson).
Signature:
abstract isBlank: boolean;
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Last updated 2024-09-18 UTC.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2024-09-18 UTC."],[[["\u003cp\u003eThe \u003ccode\u003eisBlank\u003c/code\u003e property of the \u003ccode\u003eEvents.Abstract\u003c/code\u003e class indicates if an event was created without all the necessary parameters.\u003c/p\u003e\n"],["\u003cp\u003eThis property is typically used when reconstructing events from JSON data using the \u003ccode\u003efromJson\u003c/code\u003e method and needs further population of parameters.\u003c/p\u003e\n"]]],[],null,["[blockly](./blockly.md) \\\u003e [Events](./blockly.events_namespace.md) \\\u003e [Abstract](./blockly.events_namespace.abstract_class.md) \\\u003e [isBlank](./blockly.events_namespace.abstract_class.isblank_property.md)\n\nEvents.Abstract.isBlank property\n--------------------------------\n\nWhether or not the event was constructed without necessary parameters (to be populated by fromJson).\n\n**Signature:** \n\n abstract isBlank: boolean;"]]