Search in Hero Section

Hi,

I'm trying to create a very common UI with a background image in the background using a billboard section and a search box like the examples below but I get an error
Could not display interface. Please check definition and inputs. Interface Definition: Expression evaluation error at function a!barOverlay [line 12]: A bar overlay has an invalid value for "contents". The overlay contains a component that is not supported in the billboard layout. Received: TextField.:  is there a way to accomplish this in appian ? 


Thanks in advance 



 

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