Go to workflow initiation form on button click in SharePoint list view

   /*Put this code on Page*/


function StartWorkflowJsLink(overrideCtx) {
        /*If you have multiple list views on page better hard code this ListID Variable*/
        var ListID = overrideCtx.listName;
        var ItemGuid = '';
        /*Replace Template ID*/
        var TemplateID = '{7f51f2f1-1bc9-42d9-86a8-2e0c34fa3323}'; /* Get it from workflow start page URL. It will be changed everytime you republish the workflow.*/
        var SourceURL = window.location.href;
        var ItemID = overrideCtx.CurrentItem.ID;
        var webAbsoluteURL = _spPageContextInfo.webAbsoluteUrl;
        var WFPageURL = '/_layouts/15/NintexWorkflow/StartWorkflow.aspx?';

        debugger;
        var workflowURL = webAbsoluteURL + WFPageURL + 'List=' + ListID + '&ID=' + ItemID + '&TemplateID=' + TemplateID + '&Source=' + SourceURL;
        var btnHTML = btnHTML = "<input type=\"button\" onclick=\"GotoWFStartPage('" + workflowURL + "');\" value=\"Start Workflow\"></input>";
        return btnHTML;

    }

function GotoWFStartPage(workflowURL) {


    window.location.href = workflowURL;

}


function registerListRenderer() {

    var overrideCtx = {};
    overrideCtx.Templates = {};
    overrideCtx.Templates.Fields = {
        'Edit': {
            'View': StartWorkflowJsLink
        }
    };
    SPClientTemplates.TemplateManager.RegisterTemplateOverrides(overrideCtx);
}



ExecuteOrDelayUntilScriptLoaded(registerListRenderer, 'clienttemplates.js');


/*Code Ends*/