Thanks for the tip Divya. Following your advice, I have extended the final formula as below:
=Concatenation("Referral reason - ";If(Count([Period])>1;Concatenation("All months since ";FormatDate(Min([Application Date]);"yyyy-MM"));[Period]))
Thanks for the tip Divya. Following your advice, I have extended the final formula as below:
=Concatenation("Referral reason - ";If(Count([Period])>1;Concatenation("All months since ";FormatDate(Min([Application Date]);"yyyy-MM"));[Period]))