# ICDSP Interface

Namespace: [PIX.Services](https://help.qlik.com/en-US/qlikview-developer/September2026/Subsystems/QMSAPIref/Content/PIX.Services.htm)  
Assembly: PIX.dll

## Syntax

```
public interface ICDSP
```

## Methods

| Name | Description |
| --- | --- |
| [Authorize(String, String)](https://help.qlik.com/en-US/qlikview-developer/September2026/Subsystems/QMSAPIref/Content/PIX.Services.ICDSP.Authorize.htm#PIX_Services_ICDSP_Authorize_System_String_System_String_) |  |
| [ChangePassword(String, String, String)](https://help.qlik.com/en-US/qlikview-developer/September2026/Subsystems/QMSAPIref/Content/PIX.Services.ICDSP.ChangePassword.htm#PIX_Services_ICDSP_ChangePassword_System_String_System_String_System_String_) |  |
| [DeleteGroup(String)](https://help.qlik.com/en-US/qlikview-developer/September2026/Subsystems/QMSAPIref/Content/PIX.Services.ICDSP.DeleteGroup.htm#PIX_Services_ICDSP_DeleteGroup_System_String_) |  |
| [DeleteUser(String)](https://help.qlik.com/en-US/qlikview-developer/September2026/Subsystems/QMSAPIref/Content/PIX.Services.ICDSP.DeleteUser.htm#PIX_Services_ICDSP_DeleteUser_System_String_) |  |
| [GetGroupList()](https://help.qlik.com/en-US/qlikview-developer/September2026/Subsystems/QMSAPIref/Content/PIX.Services.ICDSP.GetGroupList.htm#PIX_Services_ICDSP_GetGroupList) |  |
| [GetPossibleGroupMembers(String)](https://help.qlik.com/en-US/qlikview-developer/September2026/Subsystems/QMSAPIref/Content/PIX.Services.ICDSP.GetPossibleGroupMembers.htm#PIX_Services_ICDSP_GetPossibleGroupMembers_System_String_) |  |
| [GetUserList()](https://help.qlik.com/en-US/qlikview-developer/September2026/Subsystems/QMSAPIref/Content/PIX.Services.ICDSP.GetUserList.htm#PIX_Services_ICDSP_GetUserList) |  |
| [SaveGroup(String, CustomGroupObject)](https://help.qlik.com/en-US/qlikview-developer/September2026/Subsystems/QMSAPIref/Content/PIX.Services.ICDSP.SaveGroup.htm#PIX_Services_ICDSP_SaveGroup_System_String_PIX_CustomGroupObject_) | Changes to this method affects the publisher upgrade tool. |
| [SaveUser(String, CustomUserObject)](https://help.qlik.com/en-US/qlikview-developer/September2026/Subsystems/QMSAPIref/Content/PIX.Services.ICDSP.SaveUser.htm#PIX_Services_ICDSP_SaveUser_System_String_PIX_CustomUserObject_) | Changes to this [WebMethod] affects the publisher upgrade tool. |

### Extension Methods

[ApiFilter.FilterFor<T>(T, Nullable<ApiVersion>)](https://help.qlik.com/en-US/qlikview-developer/September2026/Subsystems/QMSAPIref/Content/PIX.ApiFiltering.ApiFilter.FilterFor.htm#PIX_ApiFiltering_ApiFilter_FilterFor__1___0_System_Nullable_PIX_ApiVersion__)