# POST: Add a Node to a Conductor Redundancy Groups Add a Conductor node to the specified Conductor redundancy group. When setting up a Conductor redundancy group, you must add exactly two nodes. ## HTTP Request and Response ### Request URL ``` POST http:///conductor_redundancy_groups//members ``` ### Call Header + Accept: Set to `application/xml` + Content-Type: Set to `application/xml` If you are implementing user authentication, you must also include three authorization headers; see [Header Content for User Authentication](header-content-user.md). ### Request Body The response contains XML content consisting of the following. + One `conductor_redundancy_groups` element that contains: + One or two `conductor_redundancy_group_member` elements with the following elements. | Element | Value | Description | | --- | --- | --- | | node\_id | | ID of the Conductor node | ### Response The response repeats back the data that you posted with the addition of the following. + id: The newly assigned ID for the member. ## Example ### Request Add the node with the ID 2 to the Conductor redundancy group. In this example, the Conductor redundancy group has the ID 1. ``` POST http://198.51.100.0/conductor_redundancy_groups/1/members ------------------------------------------------------------- Content-type:application/vnd.elemental+xml;version=3.3.0 Accept:application/xml ------------------------------------------------------------- 2 ``` ### Response The response shows the “Conductor redundancy group member” data and the standard node data that was applied to this node. Note that the node has the member ID of 3 (its ID in the Conductor redundancy group) but has the node ID of 2 (its ID in the cluster). For details, see [GET List: Get a List of Redundancy Group Members](set-up-redundancy-groups-get-list-of-members.md). ``` 3 2 elae-12345678 10.4.136.92 online Live 2.7.0.67890 0 ```