Code

<div ng-app="app" ng-controller="appCtrl">
    <m-grid grid-options="gridOptions"></m-grid>
</div>

<script>
var app = angular.module('app', ['ui.bootstrap', 'm-grid']);

app.controller('appCtrl', function($scope) {
    $scope.gridOptions = {
        columns: [{
            name: '#',
            field: 'id'
        }, {
            name: 'Full name',
            field: 'fullName'
        }, {
            name: 'Action',
            field: 'email',
            cellTemplate: '<button class="btn btn-default btn-xs" type="button" ng-click="getExternalScope().sendMail(item.email)"><span class="glyphicon glyphicon-share-alt"></span> <span>Send email</span></button>'
        }]
    };

    var data = [];

    for (var i = 0; i < 10; i++) {
        data.push({
            id: (i + 1),
            fullName: 'Name ' + (i + 1),
            email: 'email' + (i + 1) + '@test.com'
        })
    }

    $scope.gridOptions.data = data;

    $scope.states = {
        sendMail: function(email) {
            alert('Mail sent to ' + email);
        }
    }
})
</script>