setUsername
setUsername will set the username on the current User if they have not set one before. This mutation will fail if the username is already set.
setUsername( input: SetUsernameInput!): SetUsernamePayload!
setUsername will set the username on the current User if they have not set one before. This mutation will fail if the username is already set.
setUsername( input: SetUsernameInput!): SetUsernamePayload!
input (SetUsernameInput!)#SetUsernamePayload#