4 structure variable syntax, 1 omitting the send keyword, Structure variable syntax – Teledyne LeCroy UWBTrainer Exerciser Script Language User Manual
Page 50: Omitting the send keyword

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UWBTrainer Exerciser - Generation Script Language Reference Manual
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9.4 Structure Variable Syntax
Structure variables have a special syntax.
Example
# This syntax instructs the parser to send a frame based on
# some structure variables, avoiding the search for templates.
Send
$(Structure variable name)
[
{
Field = Value
...
}
( parameter1, parameter2, ... )
]
Example
Main
{
# Declare a structure variable based on the template 'TX_FRAME'.
$X = TX_FRAME
# Send a frame based on the template 'TX_FRAME'
# using default values.
Send
$X
}
9.4.1 Omitting the Send Keyword
You can omit the Send keyword if needed (but this is not recommended).
Example
Main
{
# Send a frame based on the template 'TX_FRAME'
# using default values.
TX_FRAME
}