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version 11.2
WA Back URL available ({*; }object) 
Boolean
| Parameter | Type | Description | |
| * | * | | If specified, object is an object name (string) |
| If omitted, object is a variable | |||
| object | Form object | | Object name (if * is specified) or |
| Variable (if * is omitted) | |||
| Function result | Boolean |  | True if there is a previous URL in the sequence of URLs |
| opened;otherwise, False |
Description
The WA Back URL available command can be used to find out whether there is a previous URL available in the sequence of URLs opened in the Web area designated by the * and object parameters.
The command returns True if a URL exists and False otherwise. More particularly, this command can be used, in a custom interface, to enable or disable navigation buttons.
See Also
WA Forward URL available, WA OPEN BACK URL.
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