Final answer:
To check if a customer rejected a proposition, you should check if the value of the ".pyOutcome" field is equal to "Rejected."
Step-by-step explanation:
When checking if a customer rejected a proposition, you should check if the value of the ".pyOutcome" field is equal to "Rejected."
This field typically represents the outcome or decision made by the customer. If the value of ".pyOutcome" is equal to "Rejected," then it indicates that the customer has rejected the proposition.