eZ\Publish\Core\REST\Client\RoleService::createRole PHP Method

    public function createRole(APIRoleCreateStruct $roleCreateStruct)
    {
        $inputMessage = $this->outputVisitor->visit($roleCreateStruct);
        $inputMessage->headers['Accept'] = $this->outputVisitor->getMediaType('Role');
        $result = $this->client->request('POST', $this->requestParser->generate('roles'), $inputMessage);
        $createdRole = $this->inputDispatcher->parse($result);
        $createdRoleValues = $this->requestParser->parse('role', $createdRole->id);
        $createdPolicies = array();
        foreach ($roleCreateStruct->getPolicies() as $policyCreateStruct) {
            $inputMessage = $this->outputVisitor->visit($policyCreateStruct);
            $inputMessage->headers['Accept'] = $this->outputVisitor->getMediaType('Policy');
            $result = $this->client->request('POST', $this->requestParser->generate('policies', array('role' => $createdRoleValues['role'])), $inputMessage);
            $createdPolicy = $this->inputDispatcher->parse($result);
            // @todo Workaround for missing roleId in Policy XSD definition
            $createdPolicyArray = array('id' => $createdPolicy->id, 'roleId' => $createdRole->id, 'module' => $createdPolicy->module, 'function' => $createdPolicy->function);
            $createdPolicy = new Policy($createdPolicyArray);
            $createdPolicies[] = $createdPolicy;
        }
        return new RoleDraft(array('id' => $createdRole->id, 'identifier' => $createdRole->identifier), $createdPolicies);
    }