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Missing LTI custom parameter when restore Common Cartridge

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by Derek Humphreys.  

Hi all,

I have successfully imported Common Cartridge v1.1 into Moodle v2.3.

The cartridge consists of a number of LTI links.

The links to the Tool Provider import correctly but the TP requires a custom parameter. The LTI markup is as follows:

[see lti_snippet.txt attached]

If I use Chrome Developer Tools I can see the POST data sent to the Tool Provider and there is no custom parameter.

If I look at the LTI link in Moodle, there is no custom parameter and none in the database either. The value is "0".

If I create the LTI link manually in Moodle, it works perfectly.

If I then backup the course as Common Cartridge v1.1 it exports everything except the custom parameter.

Looking at the PHP code, it appears that the <blti:custom> element is ignored during backup/restore.

Is this true? Does the CC backup/restore in Moodle ignore the LTI <blti:custom> element ?

Thanks in advance for any confirmation or advice.

Regards,

Derek.


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