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How do I make a formula date field called "Completion Date" that captures the date when a multiple choice field called "Status" is set to a particular value like "Complete"?

The best way to do this is to flip the problem around on its head.

1) Instead of making the date field a formula field, make it a plain date field.

2) Then remove the choice of "Complete" from your multiple choice "Status" field.

3) Create a formula text field called "Computed Status".

4) Put the following formula into the formula property of the "Computed Status" field.

if(isnull([Completion Date]), [Status], "Complete")

5) Now in all your views and display record forms replace the "Status" field with the "Computed Status" field.

6) On custom forms you can use alternate label text to relabel the "Computed Status" field back to "Status".

Your users will now mark a record as "Complete" by simply entering a date in the "Completion Date" field. A blank date in the "Completion Date" field means the record's status is not complete.


Instead of creating a formula

Instead of creating a formula text or formula date field, Its better to create a rule and set the date field to today() for the add or edit forms where the user can select the "Status" multiple choice.

This doesn't solve for data

This doesn't solve for data that isn't opened in a form at some point.

Hello, If you need to log the



If you need to log the changes to a text field, including changes made in Grid Edit mode, you would instead edit the field's settings and turn on "Log edits to this field, and show them on forms".




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