Adds a user to a group. A user who is in a group can present a preferred-role claim to an identity pool, and populates a cognito:groups claim to their access and identity tokens.
See https://www.paws-r-sdk.com/docs/cognitoidentityprovider_admin_add_user_to_group/ for full documentation.
cognitoidentityprovider_admin_add_user_to_group(
UserPoolId,
Username,
GroupName
)[required] The user pool ID for the user pool.
[required] The username of the user that you want to query or modify. The value of
this parameter is typically your user's username, but it can be any of
their alias attributes. If username isn't an alias attribute in your
user pool, this value must be the sub of a local user or the username
of a user from a third-party IdP.
[required] The name of the group that you want to add your user to.