Documentation update

    **Categories**: Basic information 

    **Revision**: _Update in V2.1.1 : changed name from StationID to StationId_

    **Revision**: _Created in V2.1.1 based on @ref StationID_

```asn1

StationId ::= INTEGER(0..4294967295)

```

### <a name="StationID"></a>StationID

 This DE represents the identifier of an ITS-S.

 The ITS-S ID may be a pseudonym. It may change over space and/or over time.

    **Categories**: Basic information 

    **Revision**: _V1.3.1_

>>>

NOTE: this DE is kept for backwards compatibility reasons only. It is recommended to use the [**StationId**](#StationId) instead.

>>>

```asn1

StationID ::= INTEGER(0..4294967295)

```

### <a name="StationType"></a>StationType

 This DE represents the type of technical context the ITS-S is integrated in.

 The station type depends on the integration environment of ITS-S into vehicle, mobile devices or at infrastructure.

    **Categories**: Communication information 

    **Revision**: _Update in V2.1.1 changed name from ActionID to ActionId_

    **Revision**: _Created in V2.1.1 based on @ref ActionID._

```asn1

ActionId ::= SEQUENCE {

    originatingStationId    StationId,

}

```

### <a name="ActionID"></a>ActionID

 This DF represents an identifier used to describe a protocol action taken by an ITS-S.

 It shall include the following components:

Fields:

* originatingStationId [**StationID**](#StationID) <br>

  Id of the ITS-S that takes the action. 

* sequenceNumber [**SequenceNumber**](#SequenceNumber) <br>

  a sequence number. 

    **Categories**: Communication information 

    **Revision**: _V1.3.1_

>>>

NOTE: this DF is kept for backwards compatibility reasons only. It is recommended to use the [**ActionId**](#ActionId) instead.

>>>

```asn1

ActionID ::= SEQUENCE {

    originatingStationId    StationID,

    sequenceNumber          SequenceNumber

}

```

### <a name="ActionIdList"></a>ActionIdList

 This DF shall contain a list of [**ActionId**](#ActionId).