Hi,
I am new to Power BI and I need help with the syntax, please. I am trying to add a new custom column, and although there are no errors detected at the bottom, I am seeing an expression error at the top. Please refer to the image below.
1 ACCEPTED SOLUTION
@hongho2 You seem to be writing DAX in Power Query (M). The proper syntax for M (and yes, case matters) is:
if [Purchase Office] = [New Purchase Office] then "T" else "F"Follow on LinkedIn
@ me in replies or I'll lose your thread!!!
Instead of a Kudo, please vote for this idea
Become an expert!: Enterprise DNA
External Tools: MSHGQM
YouTube Channel!: Microsoft Hates Greg
Latest book!: DAX For Humans
DAX is easy, CALCULATE makes DAX hard...
@hongho2 You seem to be writing DAX in Power Query (M). The proper syntax for M (and yes, case matters) is:
if [Purchase Office] = [New Purchase Office] then "T" else "F"Follow on LinkedIn
@ me in replies or I'll lose your thread!!!
Instead of a Kudo, please vote for this idea
Become an expert!: Enterprise DNA
External Tools: MSHGQM
YouTube Channel!: Microsoft Hates Greg
Latest book!: DAX For Humans
DAX is easy, CALCULATE makes DAX hard...
Helpful resources
Fabric Data Days 2026
Don't miss out on Data Days, June 15 through August 7. Learn Fabric, Power BI, SQL, AI and more.
Power BI Monthly Update - May 2026
Check out the May 2026 Power BI update to learn about new features.
Power BI DataViz World Championships - June 2026
A new Power BI DataViz World Championship is coming this June! Don't miss out on submitting your entry.
