VerifyContainer
Purpose 
Returns a Boolean value representing the validity of data stored externally in a container field.
Format 
VerifyContainer(field)
Parameters 
field - any text, number, date, time, timestamp, or container field; or any text expression or numeric expression.
Data type returned 
text
Originated in 
FileMaker Pro 12.0
Description 
Returns a Boolean value representing the validity of data stored externally in a container field. A 0 (False) value means the data was changed or deleted; otherwise, 1 (True) is returned.
Examples 
VerifyContainer(Photo) returns:
 •
0 (False) if files saved externally were modified or deleted.
 •
1 (True) if no changes or deletions occurred.
 •
? if the Photo field is not a container field.
Related topics 
Functions reference (category list)
Functions reference (alphabetical list)
About formulas
About functions
Defining calculation fields
Using operators in formulas
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