The identifier of the custom attribute. Limited to 255 characters in length, cannot begin with a $, and can only contain alphanumeric characters and punctuation.
Can be numeric, boolean, a Date object, a string, an array of strings, an object, or an array of objects. Strings are limited to 255 characters in length, cannot begin with a $, and can only contain alphanumeric characters and punctuation. Passing a null value will remove this custom attribute from the user.
Optionalcallback: Callback<boolean>A callback that receives the function call result.
Sets a custom user attribute. This can be any key/value pair and is used to collect extra information about the user.
The identifier of the custom attribute. Limited to 255 characters in length, cannot begin with a $, and can only contain alphanumeric characters and punctuation.
Can be numeric, boolean, a Date object, a string, an array of strings, an object, or an array of objects. Strings are limited to 255 characters in length, cannot begin with a $, and can only contain alphanumeric characters and punctuation. Passing a null value will remove this custom attribute from the user.
If the value is object, this boolean indicates if the value should be merged into the existing key.
Optionalcallback: Callback<boolean>A callback that receives the function call result.
Sets a custom user attribute. This can be any key/value pair and is used to collect extra information about the user.