A variable holds a specific value type in the workflow process. For example, you can insert a variable in an activity containing a message to indicate the resulting value of the variable.
Note
A variable is used internally and is not visible to users when the workflow runs.
You can define the following types of variable:
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String
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Integer
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Boolean
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Date
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Double
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Float
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Long
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Time
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Short
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Xml
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Object
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Calendar
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Binary
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File
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Other
Procedure
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Open the properties of the workflow that you want to add a variable for.
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On the Variables tab, click Add.
The Add workflow variable dialog box appears.
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In the Name box, enter a name for the input.
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In the Value box, enter a value for the variable
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From the Type list, select a variable type, such as string.
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To store all processed values in a list, move the Is list toggle key to the right.
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Click Save.