[[["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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-27 UTC."],[],[],null,["# FirebaseAuth Framework Reference\n\nMultiFactorAssertion\n====================\n\n @objc(FIRMultiFactorAssertion)\n open class MultiFactorAssertion : NSObject\n\nThe base class for asserting ownership of a second factor. This is equivalent to the\nAuthCredential class.\n\nThis class is available on iOS only.\n- `\n ``\n ``\n `\n\n ### [factorID](#/c:@M@FirebaseAuth@objc(cs)FIRMultiFactorAssertion(py)factorID)\n\n `\n ` \n The second factor identifier for this opaque object asserting a second factor. \n\n #### Declaration\n\n Swift \n\n @objc\n open var factorID: String"]]
