# Parameters used - FETCH vs CALLNAT

**URL:** <https://techcommunity.softwareag.com/t/parameters-used-fetch-vs-callnat/102101>\
**Category:** Forum\
**Tags:** Adabas-Natural, Natural, Natural-on-Mainframes\
**Created:** [January 14, 2013, 4:09pm UTC](https://techcommunity.softwareag.com/t/parameters-used-fetch-vs-callnat/102101 "2013-01-14T16:09:00Z")\
**Posts on this page:** 5\
**Page:** 1

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**Author:** ![Vance\_Welker](https://avatars.discourse-cdn.com/v4/letter/v/ec9cab/32.png) [@Vance\_Welker](https://techcommunity.softwareag.com/u/Vance_Welker)\
**Post date:** [January 14, 2013, 4:09pm UTC](https://techcommunity.softwareag.com/t/parameters-used-fetch-vs-callnat/102101/1 "2013-01-14T16:09:00Z")

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I have been told that when a CALLNAT is used, only the addresses of the parameters or PDAs are passed, and when a FETCH is used with parameters, the actual data is passed. Is this true?

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**Author:** ![system](https://global.discourse-cdn.com/techcommunity/original/3X/c/d/cd19967bb605d28a72d77eb83a1cae22f3df2eb8.svg) [@system](https://techcommunity.softwareag.com/u/system)\
**Post date:** [January 14, 2013, 4:17pm UTC](https://techcommunity.softwareag.com/t/parameters-used-fetch-vs-callnat/102101/2 "2013-01-14T16:17:58Z")

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This is correct. Data passed in FETCH is put on Natural’s stack and read via an INPUT stmt.

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**Author:** ![system](https://global.discourse-cdn.com/techcommunity/original/3X/c/d/cd19967bb605d28a72d77eb83a1cae22f3df2eb8.svg) [@system](https://techcommunity.softwareag.com/u/system)\
**Post date:** [January 14, 2013, 4:27pm UTC](https://techcommunity.softwareag.com/t/parameters-used-fetch-vs-callnat/102101/3 "2013-01-14T16:27:31Z")

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Btw - in CALLNAT you also have the option to have data passed and not just the addresses. But I believe this is not what you want? 🙂

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**Author:** ![Matthias1](https://avatars.discourse-cdn.com/v4/letter/m/9fc348/32.png) [@Matthias1](https://techcommunity.softwareag.com/u/Matthias1)\
**Post date:** [January 16, 2013, 8:37am UTC](https://techcommunity.softwareag.com/t/parameters-used-fetch-vs-callnat/102101/4 "2013-01-16T08:37:17Z")

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[http://techcommunity.softwareag.com/ecosystem/documentation/natural/nat6310unx/sm/callnat.htm#operand2\_callnat](http://techcommunity.softwareag.com/ecosystem/documentation/natural/nat6310unx/sm/callnat.htm#operand2_callnat)  
[http://techcommunity.softwareag.com/ecosystem/documentation/natural/nat6310unx/sm/fetch.htm#Parameters\_operand2\_fetch](http://techcommunity.softwareag.com/ecosystem/documentation/natural/nat6310unx/sm/fetch.htm#Parameters_operand2_fetch)

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<div class="post-metadata">

**Author:** ![system](https://global.discourse-cdn.com/techcommunity/original/3X/c/d/cd19967bb605d28a72d77eb83a1cae22f3df2eb8.svg) [@system](https://techcommunity.softwareag.com/u/system)\
**Post date:** [April 2, 2021, 3:02pm UTC](https://techcommunity.softwareag.com/t/parameters-used-fetch-vs-callnat/102101/5 "2021-04-02T15:02:45Z")

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