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Checks if a preference value is defined.

Component Version macOS Windows Linux Server iOS SDK
Preferences 6.0 ✅ Yes ✅ Yes ❌ No ✅ Yes, on macOS and Windows ✅ Yes
MBS( "Preferences.HasValue"; Domain; Key )   More


Parameter Description Example
Domain The domain name for your preferences. Leave empty for default one. "de.mbsplugins.MyApp"
Key The key for the value lookup. "Username"


Returns 0, 1 or error.


Checks if a preference value is defined.

See also

Example Databases

Blog Entries

This function checks for a license.

Created 4th January 2016, last changed 4th July 2019

Preferences.GetValueType - Preferences.List