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Sends a message from the side panel add-on iframe to the main stage add-on
iframe. The add-on running in the main stage iframe can react to this message
using the
frameToFrameMessage
add-on callback (see
AddonCallbacks).
The length of this string must be less than 1,000,000 characters.
[[["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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-03-27 UTC."],[],[],null,["# Method signature MeetSidePanelClient.notifyMainStage\n\nSends a message from the side panel add-on iframe to the main stage add-on\niframe. The add-on running in the main stage iframe can react to this message\nusing the\n[`frameToFrameMessage`](/workspace/meet/add-ons/reference/websdk/addon_sdk.addoncallbacks.frametoframemessage)\nadd-on callback (see\n[`AddonCallbacks`](/workspace/meet/add-ons/reference/websdk/addon_sdk.addoncallbacks)).\nThe length of this string must be less than 1,000,000 characters.\n\nSignature\n---------\n\n notifyMainStage(payload: string): Promise\u003cvoid\u003e;\n\nDetails\n-------\n\n| Optional | No |\n|----------|----|\n\nParameters\n----------\n\n| Name | Type | Optional | Description |\n|-----------|----------|----------|-------------|\n| `payload` | `string` | No | |\n\nReturns\n-------\n\n`Promise\u003cvoid\u003e`"]]
