selfPricing Field
Set this value to "true" if the invoice issued by the issuer represents an expense for the issuer and a profit for the counterpart.
	
			Practical Examples for sending invoices with selfPricing
1. When selfPricing is true and the entity is the issuer: The invoice represents the entity's expense. 
2. When selfPricing is true and the entity is the counterpart: The invoice represents the entity's income.
					
2. When selfPricing is true and the entity is the counterpart: The invoice represents the entity's income.