nginx-proxy-manager/frontend/js/app/settings/oidc-config/main.ejs

<div class="modal-content">
    <div class="modal-header">
        <h5 class="modal-title"><%- i18n('settings', id) %></h5>
        <button type="button" class="close cancel" aria-label="Close" data-dismiss="modal">&nbsp;</button>
    </div>
    <div class="modal-body">
        <form>
            <div class="row">
                <div class="col-sm-12 col-md-12">
                    <div class="form-group">
                        <div class="form-label"><%- description %></div>
                        <div>
                            <p><%- i18n('settings', 'oidc-config-hint-1') %></p>
                            <p><%- i18n('settings', 'oidc-config-hint-2') %></p>
                        </div>
                        <div class="custom-controls-stacked">
                            <div class="form-group">
                                <label class="form-label"><%- i18n('str', 'name') %> <span class="form-required">*</span>
                                    <input class="form-control name-input" name="meta[name]" required type="text" value="<%- meta && typeof meta.name !== 'undefined' ? meta.name : '' %>">
                                </label>
                            </div>
                            <div class="form-group">
                                <label class="form-label">Client ID <span class="form-required">*</span>
                                    <input class="form-control id-input" name="meta[clientID]" required type="text" value="<%- meta && typeof meta.clientID !== 'undefined' ? meta.clientID : '' %>">
                                </label>
                            </div>
                            <div class="form-group">
                                <label class="form-label">Client Secret <span class="form-required">*</span>
                                    <input class="form-control secret-input" name="meta[clientSecret]" required type="text" value="<%- meta && typeof meta.clientSecret !== 'undefined' ? meta.clientSecret : '' %>">
                                </label>
                            </div>
                            <div class="form-group">
                                <label class="form-label">Issuer URL <span class="form-required">*</span>
                                    <input class="form-control issuer-input" name="meta[issuerURL]" required placeholder="https://" type="url" value="<%- meta && typeof meta.issuerURL !== 'undefined' ? meta.issuerURL : '' %>">
                                </label>
                            </div>
                            <div class="form-group">
                                <label class="form-label">Redirect URL <span class="form-required">*</span>
                                    <input class="form-control redirect-url-input" name="meta[redirectURL]" required placeholder="https://" type="url" value="<%- meta && typeof meta.redirectURL !== 'undefined' ? meta.redirectURL : document.location.origin + '/api/oidc/callback' %>">
                                </label>
                            </div>
                            <div class="form-group">
                                <div class="form-label"><%- i18n('str', 'enable') %></div>
                                <input class="form-check enabled-input" name="meta[enabled]" placeholder="" type="checkbox" <%- meta && (typeof meta.enabled !== 'undefined' && meta.enabled === true) || (JSON.stringify(meta) === '{}') ? 'checked="checked"' : '' %> >
                            </div>
                        </div>
                    </div>
                </div>
            </div>
        </form>
    </div>
    <div class="modal-footer">
        <button type="button" class="btn btn-secondary cancel" data-dismiss="modal"><%- i18n('str', 'cancel') %></button>
        <button type="button" class="btn btn-teal save"><%- i18n('str', 'save') %></button>
    </div>
</div>