# Services On this page, you can manage paid services to which clients are subscribed. Each client can be subscribed to multiple paid services at a time. ## Clients On this page, you can view a list of clients subscribed to any paid services (both in active and inactive state). To view paid services to which a particular client is subscribed, navigate to the [Services tab](https://docs.b2core.b2broker.com/back-office-guide/clients/general/services-tab) on the client details page. **ID** The client identifier. *** **Email** The client email address. *** **Active services** The list of paid services to which a client is currently subscribed. *** **Inactive services** The list of a client’s paid services that are currently inactive. *** **Client internal type** For internal use: the internal category assigned to a client. *** **Client type** The [category](https://docs.b2core.b2broker.com/back-office-guide/clients/types) assigned to a client. *** **Company short** The short name of a client’s company. *** **Company long** The full name of a client’s company. *** **Tags** The tags assigned to a client that are used to sort the client list displayed to [Back Office administrators](https://docs.b2core.b2broker.com/back-office-guide/system/users). *** **Manager** The client’s [manager](https://docs.b2core.b2broker.com/back-office-guide/clients/managers). On this page, you can also view the columns displaying [additional parameters](#parameters) applied to paid services to configure them for clients individually. The parameters are displayed to Back Office users based on the [categories](#categories) in which the parameters are included. * If a parameter is included in a category for which a [Back Office user group](https://docs.b2core.b2broker.com/system/users#groups) is assigned the view or view and edit permissions, this parameter is visible to the users of this group. * If a parameter is included in a category for which a Back Office user group isn’t assigned the view or view and edit permissions, this parameter is hidden from the users of this group. ## List On this page, you can view a list of all paid services available to B2CORE clients. The following data is provided about each paid service: **ID** The identifier of a paid service. *** **External system id** The identifier of an external service provider. *** **Name** The short name of a paid service. *** **Full name** The full name of a paid service. *** **Group** The name of a [group](#groups) to which a paid service belongs. *** **Status** The current status of a paid service. *** **Comment** The internal description of a paid service. ## Parameters On this page, you can configure additional parameters that can be applied to paid services when subscribing clients to them. ### General information The following information is provided about each parameter: **ID** The parameter identifier. *** **Name** The parameter name. *** **Caption** The parameter description. *** **Category** The [category](#categories) in which a parameter is included. Only the [Back Office users](https://docs.b2core.b2broker.com/back-office-guide/system/users) belonging to the [groups](https://docs.b2core.b2broker.com/system/users#groups) that are assigned the permissions to view or view and edit the parameters included in a particular category can specify them when subscribing clients to paid services. If no category is assigned to a parameter, it can be used by all Back Office users who are allowed to manage paid services. *** **Services** The list of services to which a parameter applies. To view and edit parameter details, click the **Edit** button. ### Details The following additional information is provided about each parameter: **Services** * To enable a parameter for a service, move the service name from the left to the right column. * To disable a parameter for a service, move the service name from the right to the left column. *** **Category** The category in which a parameter is included. To move a parameter from one category to another, expand the drop-down list and select a category to which you want to move the parameter. *** **Type** The parameter type. Possible values: * Text * Numeric * Date * Select * Multiselect * Checkbox * Table For some parameter types, additional configuration options can be displayed. ## Categories On this page, you can view and manage categories used to differentiate the use of [paid service parameters](#parameters) between various [groups](https://docs.b2core.b2broker.com/system/users#groups) of Back Office users. ### General information The following information is provided about each category: **ID** The category identifier. *** **Caption** The category name. *** **Description** The optional category description. *** **Created At** The date and time when a category was created. *** **Updated At** The date and time when a category was last updated. To view and edit category details, click the **Edit** button. ### Details The details page contains the following tabs: * **Category** — on this tab, the **Caption** and **Description** fields can be modified. * **Rights** — on this tab, access permissions for category parameters can be set up for Back Office user groups. * If the **View** switch is enabled for one or several Back Office user groups, only the users of these groups can specify the parameters included in this category when subscribing clients to paid services. In addition, the parameters included in categories for which a Back Office user group is assigned the view permission are displayed only to the users of this group when viewing data displayed on the **Services** > **Clients** page or on the [Services tab](https://docs.b2core.b2broker.com/back-office-guide/clients/general/services-tab) on the client details page. * If the **Edit** switch is enabled for one or several Back Office user groups, the users of these groups, in addition to the **View** permission, can modify values of the parameters included in this category when subscribing clients to paid services or modifying existing subscriptions on the **Edit Subscription** page. When enabling the **Edit** switch for a user group, the **View** switch is enabled automatically. ## Groups On this page, you can view a list of groups to which various paid services may belong. The following data is displayed about each group: **ID** The service group identifier. *** **Caption** The service group description. *** **Comment** The internal description of a service group. ## Saved presets On this page, you can view a list of templates, or presets, configured for creating paid services. When adding a new paid service, you can select a preset from the **Preset option** list. You can also save a configured paid service as a preset by clicking the **Save preset** button. {% hint style="info" %} When a service parameter is deleted, all related presets are deleted automatically. {% endhint %} The following data is provided about each preset: **ID** The internal identifier of a preset. *** **Service** The name of a paid service to which a preset can be applied. *** **Date added** The date and time when a preset was created. *** **Name** The name of a preset.