The contacts group API provides the set of definitions and interfaces that enable application developers to add/remove contact as group member. 
Required Header
#include <contacts.h> 
 
Functions | 
| int  | contacts_group_add_contact (int group_id, int contact_id) | 
|   | Adds a contact and a group relationship to the contacts database.  
  | 
| int  | contacts_group_remove_contact (int group_id, int contact_id) | 
|   | Removes a contact and a group relationship from the contacts database.  
  | 
| int  | contacts_group_set_group_order (int group_id, int previous_group_id, int next_group_id) | 
|   | Sets a group between the previous group and the next group.  
  | 
Function Documentation
Adds a contact and a group relationship to the contacts database. 
- Since :
 - 2.3 
 
- Privilege Level:
 - public 
 
- Privilege:
 - http://tizen.org/privilege/contact.write 
 
- Parameters:
 - 
  
    | [in] | group_id | The group ID  | 
    | [in] | contact_id | The contact ID  | 
  
   
- Returns:
 0 on success, otherwise a negative error value 
- Return values:
 - 
  
  
 
- Precondition:
 - contacts_connect() should be called to open a connection to the contacts service. 
 
- See also:
 - contacts_connect() 
 
- 
contacts_group_remove_contact() 
 
 
 
Removes a contact and a group relationship from the contacts database. 
- Since :
 - 2.3 
 
- Privilege Level:
 - public 
 
- Privilege:
 - http://tizen.org/privilege/contact.write 
 
- Parameters:
 - 
  
    | [in] | group_id | The group ID  | 
    | [in] | contact_id | The contact ID  | 
  
   
- Returns:
 0 on success, otherwise a negative error value 
- Return values:
 - 
  
  
 
- Precondition:
 - contacts_connect() should be called to open a connection to the contacts service. 
 
- See also:
 - contacts_connect() 
 
- 
contacts_group_add_contact() 
 
 
 
Sets a group between the previous group and the next group. 
- Since :
 - 2.3 
 
- Privilege Level:
 - public 
 
- Privilege:
 - http://tizen.org/privilege/contact.write 
 
- Parameters:
 - 
  
    | [in] | group_id | The group ID to move  | 
    | [in] | previous_group_id | The previous group ID  | 
    | [in] | next_group_id | The back group ID  | 
  
   
- Returns:
 0 on success, otherwise a negative error value 
- Return values:
 - 
  
  
 
- Precondition:
 - contacts_connect() should be called to open a connection to the contacts service. 
 
- See also:
 - contacts_connect()