# Schemes

## Catalog

* [Catalog error schema (json)](https://github.com/International-Data-Spaces-Association/ids-specification/blob/main/catalog/message/schema/catalog-error-schema.json)
* [Catalog request message schema (json)](https://github.com/International-Data-Spaces-Association/ids-specification/blob/main/catalog/message/schema/catalog-request-message-schema.json)
* [Catalog schema (json)](https://github.com/International-Data-Spaces-Association/ids-specification/blob/main/catalog/message/schema/catalog-schema.json)
* [Dataset request message schema (json)](https://github.com/International-Data-Spaces-Association/ids-specification/blob/main/catalog/message/schema/dataset-request-message-schema.json)
* [Dataset schema (json)](https://github.com/International-Data-Spaces-Association/ids-specification/blob/main/catalog/message/schema/dataset-schema.json)

## Contract Negotiation

* [Contract agreement schema (json)](https://github.com/International-Data-Spaces-Association/ids-specification/blob/main/negotiation/message/schema/contract-agreement-message-schema.json)
* [Contract agreement verification schema (json)](https://github.com/International-Data-Spaces-Association/ids-specification/blob/main/negotiation/message/schema/contract-agreement-verification-message-schema.json)
* [Contract negotiation error schema (json)](https://github.com/International-Data-Spaces-Association/ids-specification/blob/main/negotiation/message/schema/contract-negotiation-error-schema.json)
* [Contract negotiation event schema (json)](https://github.com/International-Data-Spaces-Association/ids-specification/blob/main/negotiation/message/schema/contract-negotiation-event-message-schema.json)
* [Contract negotiation schema (json)](https://github.com/International-Data-Spaces-Association/ids-specification/blob/main/negotiation/message/schema/contract-negotiation-schema.json)
* [Contract negotiation termination schema (json)](https://github.com/International-Data-Spaces-Association/ids-specification/blob/main/negotiation/message/schema/contract-negotiation-termination-message-schema.json)
* [Contract offer message schema (json)](https://github.com/International-Data-Spaces-Association/ids-specification/blob/main/negotiation/message/schema/contract-offer-message-schema.json)
* [Contract request schema (json)](https://github.com/International-Data-Spaces-Association/ids-specification/blob/main/negotiation/message/schema/contract-request-message-schema.json)

## Transfer Process

* [Transfer completion schema (json)](https://github.com/International-Data-Spaces-Association/ids-specification/blob/main/transfer/message/schema/transfer-completion-message-schema.json)
* [Transfer error schema (json)](https://github.com/International-Data-Spaces-Association/ids-specification/blob/main/transfer/message/schema/transfer-error-schema.json)
* [Transfer prcess schema (json)](https://github.com/International-Data-Spaces-Association/ids-specification/blob/main/transfer/message/schema/transfer-process-schema.json)
* [Transfer request schema (json)](https://github.com/International-Data-Spaces-Association/ids-specification/blob/main/transfer/message/schema/transfer-request-message-schema.json)
* [Transfer start schema (json)](https://github.com/International-Data-Spaces-Association/ids-specification/blob/main/transfer/message/schema/transfer-start-message-schema.json)
* [Transfer suspension schema (json)](https://github.com/International-Data-Spaces-Association/ids-specification/blob/main/transfer/message/schema/transfer-suspension-message-schema.json)
* [Transfer termination schema (json)](https://github.com/International-Data-Spaces-Association/ids-specification/blob/main/transfer/message/schema/transfer-termination-message-schema.json)