Haagen-Dazs has an undisclosed motive? (6,6)

I believe the answer is:

hidden agenda

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'motive?' is the definition.
(I have seen 'Secret motive ' mean 'hidden agenda' so perhaps 'motive' could also mean 'hidden agenda')

I can't explain the remainder of the clue.

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(Other definitions for hidden agenda that I've seen before include "Ulterior motive" , "Concealed intentions" , "Undisclosed reason" , "followed in secret meeting?" , "that could delay the meeting?" .)

I've seen this clue in The Irish Times.

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