> For the complete documentation index, see [llms.txt](https://engineering-ing-inf-rd.gitbook.io/true-connector/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://engineering-ing-inf-rd.gitbook.io/true-connector/modify-configuration/messageformat.md).

# Change message format - Multipart/Mixed, Multipart/Form, Http-headers

TRUE Connector can have different message formats between each component, and it can be modified by editing following properties:

```
# REST Communication type between ECC - mixed | form | http-header
MULTIPART_ECC=mixed

# mixed | form | http-header
PROVIDER_MULTIPART_EDGE=mixed

# mixed | form | http-header
CONSUMER_MULTIPART_EDGE=mixed

```

There is only one property to configure communication between ECC, since Consumer ECC and Provider ECC must have same configuration in order to be able to exchange and interprete message in correct way.

Message format between consumer DataApp and Consumer ECC (also called EDGE connection) can be independent from other configurations. Same is applied for EDGE connection between Provider ECC and Provider DataApp


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