sp webpart base.iwebpartdata.instanceid

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IWebPartData.instanceId property

Universally unique instance id of the web part. A web part can have multiple instances on a page. This id is expected to be universally unique across time and page boundaries.

Signature:

instanceId: string;

Remarks

supported values: a unique string. Could be GUID or other uniquely identifiable formats.

example: ["dbef608d-3ad5-4f8f-b139-d916f2f0a294"]