Apama 10.3 | Apama Documentation | Building and Using Apama Dashboards | Building Dashboard Clients | Attaching Dashboards to Correlator Data | Creating a data attachment | Using dashboard variables in attachments | About non-substitution variables
About non-substitution variables
In addition to using dashboard variables as field values in the Attach to Apama dialog, you can specify a dashboard variable as the value of an object property. If you use a variable in this way, you can increase dashboard efficiency by clearing the selection Use as substitution field for the variable in the Variables panel, provided you do not use the variable in any of the following:
*Attach to Apama field
*Define Apama Command field (see Defining commands)
*-S command-line option
Substitution variables must have a scalar value, but non-substitution variables can have tabular values if you set the Data Type to Table.
Uncheck the Public checkbox only if you do not want to expose the variable as a property in a Composite object — see Using Composite objects.

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