adduser.a ​
The adduser.a action is the first version of the adduser action in the Ultra blockchain. This action allows the creator of a group to add one or more users to a specified group. The user account names will be added to the users.a table and the nr_users field in the groups.a table will be updated accordingly.
Behavior ​
- The creator of the group can add new users to it.
- The nr_usersfield ingroups.atable is incremented by the number of users added.
- The creator account pays the RAM usage to store the user entry in the users.a table.
- The action will fail if any of the user names have already been added to the group.
Action Parameters ​
| Name | C++ Type | JavaScript Type | Remarks | 
|---|---|---|---|
| creator | name | String | The account that originally created the group. | 
| group_id | uint64_t | Number/String | The ID used to identify the group to which the users will be added. | 
| users | vector<name> | Array of String | The user names to be added to the group. | 
| memo | string | String | A memo string. | 
Note:
- The creatorshould be the original creator of the group specified bygroup_id.
- The usersarray should not be empty.
CLI - cleos ​
To add users to a group, use the following cleos command:
bash
cleos push action eosio.group adduser.a '{"creator": "alice", "group_id": 0, "users" : ["carol", "daniel"], "memo": "add two new users"}' -p alice@activeJavaScript - eosjs ​
You can also use the following eosjs code snippet to add users to a group:
javascript
await api.transact({
  actions: [
    {
      "account": "eosio.group",
      "name": "adduser.a",
      "authorization": [{ "actor": "alice", "permission": "active" }],
      "data": {
        "creator": "alice",
        "group_id": 0,
        "users": ["carol", "daniel"],
        "memo": "add two new users"
      }
    }
  ]
});