UMG RichTextBlock how to insert href ,and set font size ,color and style

UMG RichTextBlock how to insert href ,and set font size ,color and style, i trail source code , into a decorator , MetaData .find (FontSize) ,(FontColor)and(FontStyle) , i don’t know set text grammar , i use FontColor = “#FF0000” , but can’t work , other, i want insert href ,bind a delegate

Like this:

hello , this i have looked … but i don’t know how to set color 's grammar ,i want to use a font ,just change font size ,color and style , On the other hand ,I don’t know how to add hyperlinks at richtextblock. if you know, please tell me , thanks for you help.