$getMemberVar reads a variable scoped to a guild member — a specific user within a specific server. The context key is composed as guildId:userId, making the variable value unique per user per server. $getGuildMemberVar is an exact alias and can be used interchangeably.

When called with only a name, it reads the variable of the current command author in the current guild (((guild.id)):((author.id))). When a User ID is provided, the current guild is still used. When both User ID and Guild ID are provided, the variable is read from the exact guild-member combination.

Variables are defined and configured in the Bot Creator Variables UI, where you can set default values. If a variable has not been set via $setMemberVar but a default exists in the definitions, $getMemberVar returns that default. If neither exists, an empty string is returned.