This condition checks a field's value to determine how a contact should proceed in a Journey. It directly checks Salesforce, and doesn't require the field to mapped.
To configure this condition, first choose the object to check:
Next, select the field to check and enter your criteria:
Finally, connect the condition to the necessary shapes, using the "Yes" and/or "No" outcomes as needed (i.e. those who do or do not meet your criteria, respectively):