1. Navigate to your map no visualizador de mapas

2. Selecione Mais opções from the desired layer

3. Selecione Create Labels from More Options

4. See the Label Features window

5. Choose desired label from the Texto drop-down menu

Nota: The drop-down options consist of attributes. A new expression can be created and applied. The expression must be written using Arcade expression language. You can read more about Arcade expressions at this link

6. Neste exemplo, a CreationDate attribute was chosen in the Text drop-down

7. Imprensa Está bem once the labels are set

8. Clique Salve 

9. See the end result of the labelled polygons