observe_survey_result_column_values/3

Modify row with answers for export. The header columns are given and the values that are known are set in the folded value. The user_id is the user who filled in the answers for this row.

Type:

foldl

Return:

#{ binary() =\> iodata() }

#survey_result_column_values{} properties:

  • id: m_rsc:resource_id()

  • handler: binary|undefined

  • format: html|text

  • user_id: m_rsc:resource_id()

  • answer: proplists:proplist()

  • columns: list

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