Create a New Static URL Field

    // Since IJC 5.12
    import com.im.commons.db.ddl.GenericColumnType
    
    def ety = dataTree.rootVertex.entity
    ety.schema.lockable.withLock('Create the new static URL field'){ envRW ->
         DFFields.createStaticURLField(ety, "My URL", "URL", 1000, "text/html", envRW)
    }