The message payload. Value set by the add-on running in the frame specified by the originator field. 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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2024-10-07 UTC."],[[["Enables communication between different add-on frames within a web page."],["Messages contain the sender's frame (originator) and a payload (data)."],["Payload is a string limited to under 1,000,000 characters, set by the sending add-on."]]],[]]