Added in [API level 5](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels) Summary: [Constants](https://developer.android.com/reference/android/provider/ContactsContract.BaseSyncColumns#constants)

# ContactsContract.BaseSyncColumns

*** ** * ** ***


`
protected
static


interface
ContactsContract.BaseSyncColumns
`


`


`

|---|
| android.provider.ContactsContract.BaseSyncColumns |

|---|
| Known indirect subclasses [ContactsContract.Contacts.Entity](https://developer.android.com/reference/android/provider/ContactsContract.Contacts.Entity), [ContactsContract.Groups](https://developer.android.com/reference/android/provider/ContactsContract.Groups), [ContactsContract.RawContacts](https://developer.android.com/reference/android/provider/ContactsContract.RawContacts), [ContactsContract.SyncColumns](https://developer.android.com/reference/android/provider/ContactsContract.SyncColumns) |---|---| | [ContactsContract.Contacts.Entity](https://developer.android.com/reference/android/provider/ContactsContract.Contacts.Entity) | A sub-directory of a contact that contains all of its `https://developer.android.com/reference/android/provider/ContactsContract.RawContacts` as well as `https://developer.android.com/reference/android/provider/ContactsContract.Data` rows. | | [ContactsContract.Groups](https://developer.android.com/reference/android/provider/ContactsContract.Groups) | Constants for the groups table. | | [ContactsContract.RawContacts](https://developer.android.com/reference/android/provider/ContactsContract.RawContacts) | Constants for the raw contacts table, which contains one row of contact information for each person in each synced account. | | [ContactsContract.SyncColumns](https://developer.android.com/reference/android/provider/ContactsContract.SyncColumns) | Columns that appear when each row of a table belongs to a specific account, including sync information that an account may need. | |

<br />

*** ** * ** ***

Generic columns for use by sync adapters. The specific functions of
these columns are private to the sync adapter. Other clients of the API
should not attempt to either read or write this column.
**See also:**

- `https://developer.android.com/reference/android/provider/ContactsContract.RawContacts`
- `https://developer.android.com/reference/android/provider/ContactsContract.Groups`

## Summary

| ### Constants ||
|---|---|
| `https://developer.android.com/reference/java/lang/String` | `https://developer.android.com/reference/android/provider/ContactsContract.BaseSyncColumns#SYNC1` Generic column for use by sync adapters. |
| `https://developer.android.com/reference/java/lang/String` | `https://developer.android.com/reference/android/provider/ContactsContract.BaseSyncColumns#SYNC2` Generic column for use by sync adapters. |
| `https://developer.android.com/reference/java/lang/String` | `https://developer.android.com/reference/android/provider/ContactsContract.BaseSyncColumns#SYNC3` Generic column for use by sync adapters. |
| `https://developer.android.com/reference/java/lang/String` | `https://developer.android.com/reference/android/provider/ContactsContract.BaseSyncColumns#SYNC4` Generic column for use by sync adapters. |

## Constants

### SYNC1

Added in [API level 5](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)

```
public static final String SYNC1
```

Generic column for use by sync adapters.

<br />

Constant Value:

"sync1"


### SYNC2

Added in [API level 5](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)

```
public static final String SYNC2
```

Generic column for use by sync adapters.

<br />

Constant Value:

"sync2"


### SYNC3

Added in [API level 5](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)

```
public static final String SYNC3
```

Generic column for use by sync adapters.

<br />

Constant Value:

"sync3"


### SYNC4

Added in [API level 5](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)

```
public static final String SYNC4
```

Generic column for use by sync adapters.

<br />

Constant Value:

"sync4"