Dear ..,
I would like to create Alarm duration column. Alarm duration will calculate the time when event occur. I would like to calculate by use clear on time (0x482001b) - create on time (0x11f4e) . I try to coding in below. But it doesn't work. After i use expression i will not see Alarm duration column as i config. Please help me check this code.
Regard
Chanopas
<column id="column-alarm-duration">
<name>Alarm Duration</name>
<content>
<expression>
attr( 0x482001b ) - attr(0x11f4e ) : value()
</expression>
<renderer>
com.aprisma.spectrum.app.util.render.DateRenderer
</renderer>
</content>
</column>