Secure Signal with custom data sent with ads request. Secure Signal with custom
data is an encrypted blob containing signals collected by the publisher and previously agreed
upon by the publisher and bidder。
[[["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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2026-05-29 UTC."],[],["IMASecureSignals handles encrypted data, known as a secure signal, sent with ad requests. This custom data is a blob containing signals collected by the publisher and pre-approved by the bidder. The `customData` property holds this encrypted string and is read-only. The `initWithCustomData:` method is the designated initializer to set the `customData`. A default `init` is unavailable, ensuring secure data is always provided.\n"]]