Declare Variable
To be able to use a variable it needs to be declared. Once you declared a variable you can use it as a placeholder in other operations and conditions of the Action, Trigger, or Function.
To declare a variable:
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In the Name field, type in a name for the variable. The name must be unique within the Action, Trigger, or Function.
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Choose the type of data your variable will store.
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For the Reference type, select the reference object in the Reference To list. You can also select a group of objects such as All Tickets or a group of configuration entities such as Work Calendars.
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Optionally, assign the initial default value for the variable as follows:
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To enter a static value, select a value from the list, select a date and time from the calendar, or calculate it.
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To enter text or dynamic value, click the Expression Builder button and use the Build Expression window to type in your text or enter a SQL expression or script. The expression or script must return a single value of the same data type as your variable.
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Click OK.