The following example shows the momentaryButton object:
<momentaryButton name="MomentaryPushButton2" height="59" width="111" left="17" top="72" visible="true" wallpaper="false" isReferenceObject="false" audio="true" backStyle="solid" borderStyle="raised" borderUsesBackColor="false" borderWidth="4" buttonAction="normallyOpen" description="Momentary PB2" holdTime="250" highlightColor="lime" horizontalMargin="0" verticalMargin="0" shape="rectangle" touch="true" currentStateId="0" captionOnBorder="False" keyAssignment="F16">
<states>
<state stateId="Error" backColor="navy" borderColor="navy" patternColor="white" patternStyle="none" blink="false">
<caption fontFamily="Arial" fontSize="10" bold="false" italic="false" underline="false" strikethrough="false" caption="Error" color="white" backColor="navy" backStyle="transparent" alignment="middleCenter" wordWrap="true" blink="false" />
<imageSettings imageName="" alignment="middleCenter" backStyle="transparent" color="white" backColor="navy" scaled="false" blink="false" />
</state>
<state stateId="0" backColor="#8C008C" borderColor="#004000" patternColor="white" patternStyle="none" blink="false">
<caption fontFamily="Georgia" fontSize="10" bold="false" italic="false" underline="false" strikethrough="false" caption="Momentary No State" color="#FFC0FF" backColor="navy" backStyle="transparent" alignment="topCenter" wordWrap="true" blink="false" />
<imageSettings imageName="Backspace" alignment="bottomLeft" backStyle="transparent" color="#F00000" backColor="navy" scaled="false" blink="false" />
</state>
<state stateId="1" backColor="navy" borderColor="navy" patternColor="white" patternStyle="none" blink="false">
<caption fontFamily="Arial" fontSize="10" bold="false" italic="false" underline="false" strikethrough="false" caption="" color="white" backColor="navy" backStyle="transparent" alignment="middleCenter" wordWrap="true" blink="false" />
<imageSettings imageName="" alignment="middleCenter" backStyle="transparent" color="white" backColor="navy" scaled="false" blink="false" />
</state>
</states>
<animations>
<animateVisibility expression="TagS2" expressionTrueState="visible" />
</animations>
<connections>
<connection name="Value" expression="TagS2" />
<connection name="Indicator" expression="TestS2" />
</connections>
</momentaryButton>