|   | 
                  Checks whether the specified property exists in the profile.
                
                
                  
                     Syntax
Syntax
                
                | Smartsite SXML |  Copy Code | 
|---|---|
| boolean personalization.exists(string appName, string propertyName) boolean personalization.exists(string appName, string propertyName, enum source) | |
                  
                     Parameters
Parameters
                
                | Name | Data Type | Description | 
|---|---|---|
| appName | String | Name of the application. | 
| propertyName | String | Name of the property. | 
| source | Enum | The profile source. Enum values: 
 | 
                  
                     Return Value
Return Value
                
                | Data Type | Description | 
|---|---|
| Boolean | True if the profile property exists. | 
 
     
     
    