/// <summary>
 /// Sets the value of the <c>&lt;Activity&gt;</c> element.
 /// </summary>
 /// <param name="val">A SessionActivity object</param>
 /// <remarks>
 /// <para>The SIF specification defines the meaning of this element as: "The activity which takes place."</para>
 /// <para>Version: 2.6</para>
 /// <para>Since: 2.1</para>
 /// </remarks>
 public void SetActivity(SessionActivity val)
 {
     SetField(AssessmentDTD.ASSESSMENTSESSION_ACTIVITY, val);
 }
 /// <summary>
 /// Sets the value of the <c>&lt;Activity&gt;</c> element.
 /// </summary>
 /// <param name="val">A SessionActivity object</param>
 /// <remarks>
 /// <para>The SIF specification defines the meaning of this element as: "The activity which takes place."</para>
 /// <para>Version: 2.5</para>
 /// <para>Since: 2.1</para>
 /// </remarks>
 public void SetActivity( SessionActivity val )
 {
     SetField( AssessmentDTD.ASSESSMENTSESSION_ACTIVITY, val );
 }