# Insert Bulk json to core data

**URL:** <https://forums.kodeco.com/t/insert-bulk-json-to-core-data/12087>\
**Category:** Swift\
**Created:** [April 4, 2016, 12:41pm UTC](https://forums.kodeco.com/t/insert-bulk-json-to-core-data/12087 "2016-04-04T12:41:50Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![krbaswe](https://assets.chunter.kodeco.com/user_avatar/forums.kodeco.com/krbaswe/32/24252_2.png) [@krbaswe](https://forums.kodeco.com/u/krbaswe)\
**Post date:** [April 4, 2016, 12:41pm UTC](https://forums.kodeco.com/t/insert-bulk-json-to-core-data/12087/1 "2016-04-04T12:41:50Z")

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Need help in inserting 10000 json records to core data in swift.

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**Author:** ![narrativium](https://assets.chunter.kodeco.com/user_avatar/forums.kodeco.com/narrativium/32/110937_2.png) [@narrativium](https://forums.kodeco.com/u/narrativium)\
**Post date:** [April 4, 2016, 1:03pm UTC](https://forums.kodeco.com/t/insert-bulk-json-to-core-data/12087/2 "2016-04-04T13:03:39Z")

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Which part is causing you difficulty?

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<div class="post-metadata">

**Author:** ![krbaswe](https://assets.chunter.kodeco.com/user_avatar/forums.kodeco.com/krbaswe/32/24252_2.png) [@krbaswe](https://forums.kodeco.com/u/krbaswe)\
**Post date:** [April 4, 2016, 3:09pm UTC](https://forums.kodeco.com/t/insert-bulk-json-to-core-data/12087/3 "2016-04-04T15:09:02Z")

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Hi, I am new to iOS development. Checked Worldcup app from core data by tutorials.

Is it possible to dynamically map json fields to attributes insead of assigning manually?

Codes would be helpful thanks.