matrix-dimension/web/app/admin/bridges/webhooks/manage-selfhosted/manage-selfhosted.component.html

<div class="modal-header">
    <h4 class="modal-title" id="modal-basic-title">{{'self-hosted webhook bridge' | translate}} ({{ isAdding ? "Add a new" : "Edit" }})</h4>
    <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close" (click)="modal.close()"></button>
</div>
<div class="modal-body">
    <p>{{'Self-hosted webhook bridges must have' | translate}} <code>{{'provisioning' | translate}}</code> {{'enabled in the configuration.' | translate}}</p>

    <label class="label-block">
        {{'Provisioning URL' | translate}}
        <span class="text-muted ">{{'The public URL for the bridge.' | translate}}</span>
        <input type="text" class="form-control"
               placeholder="https://webhooks.example.org:9000/"
               [(ngModel)]="provisionUrl" [disabled]="isSaving"/>
    </label>

    <label class="label-block">
        {{'Shared Secret' | translate}}
        <span class="text-muted ">{{'The provisioning secret defined in the configuration.' | translate}}</span>
        <input type="text" class="form-control"
               placeholder="some_secret_value"
               [(ngModel)]="sharedSecret" [disabled]="isSaving"/>
    </label>
</div>
<div class="modal-footer">
    <button type="button" (click)="add()" title="save" class="btn btn-primary btn-sm">
        <i class="far fa-save"></i> {{'Save' | translate}}
    </button>
    <button type="button" (click)="modal.close()" title="close" class="btn btn-secondary btn-sm">
        <i class="far fa-times-circle"></i> {{'Cancel' | translate}}
    </button>
</div>