# mco_HA_get_sequencer

This function returns the number of the "db version" (or "current-ness" in the sense of HA).

### For an overview see page HA Applications

### Prototype

        MCO_RET mco_HA_get_sequencer (	mco_db_h db,
                            uint8 * seq)

### Arguments

t | The database handle.
seq | The address of a variable to receive the current sequencer value.

### Description

> Sometimes it may be necessary to determine which of the replica's databases is the most relevant. The `mco_HA_get_sequencer()`API can be called to return the number of the "db version" (or "current-ness" in the sense of HA). This number can be used to determine which database is the latest.

### Return Codes

MCO_S_OK | Successful.