Power Platform Community Forum Thread Details

When UDF is enabled in (custom page) settings, existing (non UDF) formula which reference a variable* stop automatically reevaluating when the referenced variable is changed.

(*Variable is of type record but unsure if that is a factor in the issue.)

Find below an extract of the App Formulas.

SelectedTheme is used in subsequent colour formula and is based on the variable, gblSelectedTheme, which is set by a gallery select.

When UDF is enabled in (custom page) settings, the change of SelectedTheme is not propagated to the controls bound to the subsequent colour formula e.g. PrimaryColour.

(You can see my UDF experiment with the commented out ColourHex UDF.)

Reevaluations of all formula and update of bound controls all works as expected without UDF enabled in settings.

SelectedTheme = If(IsBlank(gblSelectedTheme), First(colThemes), gblSelectedTheme);
//ColourHex(Colour:Color):Text = Match(JSON(Colour, JSONFormat.IgnoreUnsupportedTypes), "#[a-fA-F0-9]{6}").FullMatch;
PrimaryColourHex = Match(JSON(PrimaryColour, JSONFormat.IgnoreUnsupportedTypes), "#[a-fA-F0-9]{6}").FullMatch;
ControlColourHex = Match(JSON(ControlColour, JSONFormat.IgnoreUnsupportedTypes), "[a-fA-F0-9]{6}").FullMatch;
PrimaryColour = If(sliderPrimaryFadeLevel.Value = 0, SelectedTheme.PrimaryColour, ColorFade(SelectedTheme.PrimaryColour, (sliderPrimaryFadeLevel.Value / 100)));
ControlColour = If(IsBlank(SelectedTheme.ControlColour), ControlColourDefault, SelectedTheme.ControlColour);
PrimaryColourLight = ColorFade(PrimaryColour, LighterFade);
PrimaryColourExtraLight = ColorFade(PrimaryColour, ExtraLightFade);
PrimaryColourDarker = ColorFade(PrimaryColour, DarkerFade);
PrimaryTextColour = If(IsBlank(SelectedTheme.PrimaryTextColour), PrimaryTextColourDefault, SelectedTheme.PrimaryTextColour);
HintColour = If(IsBlank(SelectedTheme.HintColour), ColorFade(PrimaryColour, 60%), SelectedTheme.HintColour);