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Checks whether a list contains a given value.

Component Version macOS Windows Linux Server iOS SDK
List 6.4 ✅ Yes ✅ Yes ✅ Yes ✅ Yes ✅ Yes
MBS( "List.HasValue"; List; Value )   More


Parameter Description Example
List The list to process. "Hello" ¶ "" ¶ "World"
Value The value to check. "Hello"


Returns 1, 0 or error.


Checks whether a list contains a given value.
Returns 1 if value is found or 0 if not. Text comparison is case sensitive.


Check if value is in list:

MBS( "List.HasValue"; "1¶2¶3"; "2" )

Print what user selected:

# Show dialog to select something
Set Variable [$r; Value:MBS("ListDialog.ClearList")]
Set Variable [$r; Value:MBS("ListDialog.SetPrompt"; "Please select items to print:")]
# We use tags as the visible titles may be localized.
Set Variable [$r; Value:MBS("ListDialog.AddItemToList"; "Werbung¶Angebot¶Rechnung¶Erinnerung"; "Flyer¶Offer¶Invoice¶Reminder")]
Set Variable [$r; Value:MBS("ListDialog.SetAllowMultipleSelection"; 1)]
Set Variable [$r; Value:MBS("ListDialog.SetSelectedTitle"; "Offer")]
# Show dialog
Set Variable [$r; Value:MBS("ListDialog.ShowDialog")]
# now do things
Set Variable [$selected; Value:MBS("ListDialog.GetSelectedTag")]
If [MBS("List.HasValue"; $selected; "Flyer")]
    # print flyer
End If
If [MBS("List.HasValue"; $selected; "Invoice")]
    # print invoice
End If
If [MBS("List.HasValue"; $selected; "Offer")]
    # print offer
End If
If [MBS("List.HasValue"; $selected; "Reminder")]
    # print reminder
End If

See also

Release notes

Blog Entries

This function checks for a license.

Created 16th September 2016, last changed 16th September 2016

List.HasDuplicateItems - List.IndexOfFirstValueMatching