Power App-Power FX- Galleries - if this field value equals NULL then display another column value

Reference: Blue= Null Field

In the text Property for the field:

Coalesce(ThisItem.NewLocation.Value, ThisItem.CeremonyLocation.Value)

Explanation:

If "ThisItem.NewLocation.Value" is Null or Blank then it will display this field> "ThisItem.CeremonyLocation.Value"