matrix-docker-ansible-deploy/docs/configuring-playbook-bridge-appservice-webhooks.md

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# Setting up Appservice Webhooks (optional)
The playbook can install and configure [matrix-appservice-webhooks](https://github.com/turt2live/matrix-appservice-webhooks) for you.
Note: This bridge is no longer maintained. While not a 1:1 replacement, the bridge's author suggests taking a look at [matrix-hookshot](https://github.com/Half-Shot/matrix-hookshot) as a replacement, which can also be installed using [this playbook](configuring-playbook-bridge-hookshot.md).
This bridge provides support for Slack-compatible webhooks.
Setup Instructions:
loosely based on [this](https://github.com/turt2live/matrix-appservice-webhooks/blob/master/README.md)
1. All you basically need is to adjust your `inventory/host_vars/matrix.<domain-name>/vars.yml`:
```yaml
matrix_appservice_webhooks_enabled: true
matrix_appservice_webhooks_api_secret: '<your_secret>'
```
2. In case you want to change the verbosity of logging via `journalctl -fu matrix-appservice-webhooks.service`
you can adjust this in `inventory/host_vars/matrix.<domain-name>/vars.yml` as well.
*Note*: default value is: `info` and availabe log levels are : `info`, `verbose`
```yaml
matrix_appservice_webhooks_log_level: '<log_level>'
```
3. As of Synapse 1.90.0, you will need to add the following to `matrix_synapse_configuration_extension_yaml` to enable the [backwards compatibility](https://matrix-org.github.io/synapse/latest/upgrade#upgrading-to-v1900) that this bridge needs:
```yaml
matrix_synapse_configuration_extension_yaml: |
use_appservice_legacy_authorization: true
```
*Note*: This deprecated method is considered insecure.
4. If you've already installed Matrix services using the playbook before, you'll need to re-run it (`--tags=setup-all,start`). If not, proceed with [configuring other playbook services](configuring-playbook.md) and then with [Installing](installing.md). Get back to this guide once ready.
5. If you're using the [Dimension Integration Manager](configuring-playbook-dimension.md), you can configure the Webhooks bridge by opening the Dimension integration manager -> Settings -> Bridges and selecting edit action for "Webhook Bridge". Press "Add self-hosted Bridge" button and populate "Provisioning URL" & "Shared Secret" values from `/matrix/appservice-webhooks/config/config.yaml` file's homeserver URL value and provisioning secret value, respectively.
6. Invite the bridge bot user to your room:
- either with `/invite @_webhook:<domain.name>` (*Note*: Make sure you have administration permissions in your room)
- or simply add the bridge bot to a private channel (personal channels imply you being an administrator)
7. Send a message to the bridge bot in order to receive a private message including the webhook link.
```
!webhook
```
8. The JSON body for posting messages will have to look like this:
```json
{
"text": "Hello world!",
"format": "plain",
"displayName": "My Cool Webhook",
"avatar_url": "http://i.imgur.com/IDOBtEJ.png"
}
```
You can test this via curl like so:
```
curl --header "Content-Type: application/json" \
--data '{
"text": "Hello world!",
"format": "plain",
"displayName": "My Cool Webhook",
"avatar_url": "http://i.imgur.com/IDOBtEJ.png"
}' \
<the link you've gotten in 5.>
```