diff --git a/src/options.js b/src/options.js
new file mode 100644
index 0000000..2d1f8fa
--- /dev/null
+++ b/src/options.js
@@ -0,0 +1,28 @@
+/**
+ * @typedef MongoTenantOptions
+ * @property {string} tenantIdGetter
+ * @property {string} accessorMethod
+ * @property {*} tenantIdType
+ * @property {string} tenantIdKey
+ * @property {boolean} requireTenantId
+ */
+
+/**
+ * Sanitize plugin options
+ * @param {object} [input]
+ * @param {string} [input.tenantIdGetter=tenantId]
+ * @param {string} [input.accessorMethod=String]
+ * @param {*} [input.tenantIdType=byTenant]
+ * @param {string} [input.tenantIdKey=getTenantId]
+ * @param {string} [input.requireTenantId=true]
+ * @returns {MongoTenantOptions}
+ */
+const options = (input = {}) => ({
+  tenantIdKey: input.tenantIdKey || 'tenantId',
+  tenantIdType: input.tenantIdType || String,
+  accessorMethod: input.accessorMethod || 'byTenant',
+  tenantIdGetter: input.tenantIdGetter || 'getTenantId',
+  requireTenantId: input.requireTenantId === true,
+});
+
+module.exports = options;
diff --git a/src/options.test.js b/src/options.test.js
new file mode 100644
index 0000000..e69de29