add Attribute With Key
open fun addAttributeWithKey(@NotNull key: @NotNull String, @NotNull value: @NotNull String): Boolean
Adds a user attribute represented as a key/value pair.
There is a limit of 30 attributes per user.
Return
true if the attribute was added; false if the limit of 30 attributes per user was already reached.
Parameters
key
Identifies the attribute. Maximum size is 100 characters.
value
Represents the value of the attribute. Maximum size is 255 characters.