Image validation

 Hi, I am new to mendix technology, I was trying to apply validation for an image but its not working.Please tell me that how it will be done?  
1 answers

You could use the Attributes in FileDocument entity to check if the binary file exists and has contents.

!= empty check if the object is not empty. HasContents will tell you if the file really has some contents. 

Additionally you can also use size if you want.