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[Solved] Check the validity of file attachments or uploaded images before saving them.

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(@akshatha)
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You can use two variables to obtain the values of the attached file or image field in a string separated by commas.

Axp_AttachedFiles - is a variable that will contain the list of files (header attachments) attached as comma-separated strings.

Axp_LoadedImages - is a variable that will contain image fields as comma-separated strings.

Using this, a valid expression can be defined as shown below...

iif((Axp_loadedimages # {}) & (Axp_attachedfiles#{}), {T}, {File/image is not loaded})
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