Use the add-subscription operation to attach an add-on plan to a subscription.

Request Packet Structure

A request XML packet that adds an add-on plan to a subscription includes the add-subscription operation node:

<packet version="1.6.3.0">
<webspace>
   <add-subscription>
   ...
   </add-subscription>
</webspace>
</packet>

The add-subscription node (domain_input.xsd) has the following graphical representation:

• The filter node is required. It specifies a filtering rule. For info on filters, refer to the Filters of Descriptors section. Data type: domainFilterType (domain_input.xsd).
•  The plan-guid node is optional. It specifies the GUID of an add-on plan that will be added to the subscription. Data type: string.
•  The plan-external-id node is optional. It specifies the ID of a service plan in the Panel components (for example, Business Manager). Data type: string.

Response Packet Structure

The add-subscription node of the output XML packet is structured as follows:

• The result node is required. It wraps the response retrieved from the server. Data type: ResultFilterType (plesk_common.xsd).
• The status node is required. It specifies the execution status of the operation. Data type: string. Allowed values: ok | error.
• The errcode node is optional. It is used to return the error code when the operation fails. Data type: unsignedInt.
• The errtext node is optional. Can be used to return the error message if the operation fails. Data type: string.
• The filter-id node is optional. It is required if the operation succeeds. Returns either subscription name, subscription ID, customer name, or customer ID depending on a way of descriptor’s specification in the request packet. For info on filters, refer to the Filters of Descriptors section. Data type: anySimple.
• The id node is optional. It is required if the operation succeeds. Returns the unique identifier of the subscription. Data type: integer.
• The problems node is optional. It outputs conflicts that occur on attaching the add-on plan. Data type: string.

Samples

The request packet that adds an add-on plan with GUID cc982f71-48c3-479d-bc7b-59b97547e092 to a subscription with ID 8 looks as follows:

<packet version ="1.6.3.0">
<webspace>
   <add-subscription>
      <filter>
         <id>8</id>
      </filter>
       <plan-guid>cc982f71-48c3-479d-bc7b-59b97547e092</plan-guid>
   </add-subscription>
</webspace>
</packet>

Response (when you attach an add-on that requires Webmail):

<packet version="1.6.3.0">
  <webspace>
    <add-subscription>
      <result>
        <status>ok</status>
        <filter-id>8</filter-id>
        <id>8</id>
        <problems>Description           Current Requested Allowed
Webmail (example.com) None</problems>
      </result>
    </add-subscription>
  </webspace>
</packet>