How to add collection from list to object?

[sophiey]

Hi experts,

I’m getting the error shown in screen. What Im trying to do is to just add file into AttachList collection. What type should i choose?
It worked perfectly fine using the old Add to Collection Activity previously.

[Lak_Ui (Lakshmi)]

the type varies in the left and right side of the assign activity

[ppr (Peter Preuss)]

ensure that the type argument (for each) is set to String
AttachList datatype has to be of DataType: String List - List(Of String)

When it is about create a string list from the string Array returned form the Directory.GetFiles(…)

we can do it directly by:

Attachlist = Directory.GetFiles(…).ToList()

[pikorpa (Piotr Kołakowski)]

Hey @sophiey
Are you sure that you have correct variable type?

[sophiey]

initially i used string list. thats why i m changing to trial and error. because i want to append to collection, and im getting this error

[ppr (Peter Preuss)]

Kindly note what we mentioned:

@ppr

we can do it directly by:

Attachlist = Directory.GetFiles(…).ToList()

it will avoid the Append Item … Activity. We can doit in one go using an assign Activity

When working with the combination Parallel For each / Append Item… we ensure the typearguments:

And

which we already mentioned above