For thePASSWORD_RESET,VERIFY_EMAIL, andRECOVER_EMAIL actions, this objectcontains anemail field with the address the email was sent to.

For the RECOVER_EMAIL action, which allows a user to undo an email addresschange, this object also contains apreviousEmail field with the user account'scurrent email address. After the action completes, the user's email address willrevert to the value in theemail field from the value inpreviousEmail field.

For the VERIFY_AND_CHANGE_EMAIL action, which allows a user to verify the emailbefore updating it, this object contains apreviousEmail field with the useraccount's email address before updating. After the action completes, the user'semail address will be updated to the value in theemail field from the valueinpreviousEmail field.

For the REVERT_SECOND_FACTOR_ADDITION action, which allows a user to unenrolla newly added second factor, this object contains amultiFactorInfo field withthe information about the second factor. For phone second factor, themultiFactorInfo is afirebase.auth.PhoneMultiFactorInfo object,which contains the phone number.

Type declaration

• Optional email?:string |null

• Optional fromEmail?:string |null

  deprecated

  This field is deprecated in favor of previousEmail.

• Optional multiFactorInfo?:MultiFactorInfo |null

• Optional previousEmail?:string |null

Type declaration

• EMAIL_SIGNIN:Operation

  The email link sign-in action.

• PASSWORD_RESET:Operation

  The password reset action.

• RECOVER_EMAIL:Operation

  The email revocation action.

• REVERT_SECOND_FACTOR_ADDITION:Operation

  The revert second factor addition email action.

• VERIFY_AND_CHANGE_EMAIL:Operation

  The verify and update email action.

• VERIFY_EMAIL:Operation

  The email verification action.