Dynamic Select- Automatic updates

[kamels]

Hi, 

I have a workflow that I am trying to make as automated as possible. In an excel file that my data is coming from I have around 20 columns that are Months of the year. I am trying to find a way that the interface tool can automatically update the "March" to April. I have worked within the Interface tools a little bit, and I can't find a way that the action tool can update just the March in my formula. 

[alexnajm]

In your Action tool, select "Expression" as the value or attribute to update, and at the bottom of the Action tool select "Replace a Specific String" and only keep March in there

[dreldrel]

Make sure you remove all other strings in "Replace a Specific String"  and dont modify the value in your dynamic select tool. I've seen some people change the values afterwards and spend time on finding this.