Submitting the form will send the following values to the IdP:

actionhttps://login.microsoftonline.com/fef0d0ad-f7f9-4156-8b95-b5dc04d4e8bd/saml2
SAMLRequestPD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iVVRGLTgiPz48c2FtbDJwOkF1dGhuUmVxdWVzdCB4bWxuczpzYW1sMnA9InVybjpvYXNpczpuYW1lczp0YzpTQU1MOjIuMDpwcm90b2NvbCIgQXNzZXJ0aW9uQ29uc3VtZXJTZXJ2aWNlVVJMPSJodHRwczovL2ludHJhbmV0LnNveWFncm91cC5jb20vc2FtbC9TQU1MQXNzZXJ0aW9uQ29uc3VtZXIiIERlc3RpbmF0aW9uPSJodHRwczovL2xvZ2luLm1pY3Jvc29mdG9ubGluZS5jb20vZmVmMGQwYWQtZjdmOS00MTU2LThiOTUtYjVkYzA0ZDRlOGJkL3NhbWwyIiBGb3JjZUF1dGhuPSJmYWxzZSIgSUQ9Il9jNDA3ODZkOC1lN2ZjLTQ2NWUtOGJjZS0wZDczNjdkOWEyM2YiIElzUGFzc2l2ZT0iZmFsc2UiIElzc3VlSW5zdGFudD0iMjAyNi0wOC0wOFQwNzo1NDoyNy43MDRaIiBQcm90b2NvbEJpbmRpbmc9InVybjpvYXNpczpuYW1lczp0YzpTQU1MOjIuMDpiaW5kaW5nczpIVFRQLVBPU1QiIFZlcnNpb249IjIuMCIgeG1sbnM6ZHM9Imh0dHA6Ly93d3cudzMub3JnLzIwMDAvMDkveG1sZHNpZyMiPjxzYW1sMjpJc3N1ZXIgeG1sbnM6c2FtbDI9InVybjpvYXNpczpuYW1lczp0YzpTQU1MOjIuMDphc3NlcnRpb24iPmh0dHBzOi8vaW50cmFuZXQuc295YWdyb3VwLmNvbTwvc2FtbDI6SXNzdWVyPjxkczpTaWduYXR1cmUgeG1sbnM6ZHM9Imh0dHA6Ly93d3cudzMub3JnLzIwMDAvMDkveG1sZHNpZyMiPjxkczpTaWduZWRJbmZvPjxkczpDYW5vbmljYWxpemF0aW9uTWV0aG9kIEFsZ29yaXRobT0iaHR0cDovL3d3dy53My5vcmcvMjAwMS8xMC94bWwtZXhjLWMxNG4jIi8+PGRzOlNpZ25hdHVyZU1ldGhvZCBBbGdvcml0aG09Imh0dHA6Ly93d3cudzMub3JnLzIwMDEvMDQveG1sZHNpZy1tb3JlI3JzYS1zaGEyNTYiLz48ZHM6UmVmZXJlbmNlIFVSST0iI19jNDA3ODZkOC1lN2ZjLTQ2NWUtOGJjZS0wZDczNjdkOWEyM2YiPjxkczpUcmFuc2Zvcm1zPjxkczpUcmFuc2Zvcm0gQWxnb3JpdGhtPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwLzA5L3htbGRzaWcjZW52ZWxvcGVkLXNpZ25hdHVyZSIvPjxkczpUcmFuc2Zvcm0gQWxnb3JpdGhtPSJodHRwOi8vd3d3LnczLm9yZy8yMDAxLzEwL3htbC1leGMtYzE0biMiLz48L2RzOlRyYW5zZm9ybXM+PGRzOkRpZ2VzdE1ldGhvZCBBbGdvcml0aG09Imh0dHA6Ly93d3cudzMub3JnLzIwMDEvMDQveG1sZW5jI3NoYTI1NiIvPjxkczpEaWdlc3RWYWx1ZT44NnEzV0REYktNblVxSUpsMXVTd1dsVk00RlFUdVRCc05rMWVaZjMrSlMwPTwvZHM6RGlnZXN0VmFsdWU+PC9kczpSZWZlcmVuY2U+PC9kczpTaWduZWRJbmZvPjxkczpTaWduYXR1cmVWYWx1ZT5ML0hYR2k5UGVmM0dvVTdsMFVvdFcxeFNTeFRMTU9XVm1sUkFEcTFDWTFDWkJraHJYRVJqLzFYbklweDhBaG5sUGY2L0tWYmRDM1NoSWJraUVkakt1NkkrT2w1QWM4SHVIUEdTdTgzSkdCRWU4b0tRd0VVQW4wOTlXMHhHTGdranFQQ053ODRwVnZMY3JnUTlpWGkyaGZFakZCcndMZ25xSEp2YkFscVZhcVNDQi9RU3BMeE5jQXVjUms4cDd4VFNMRFNZYVJJdWdNaXVJTEx3SWRXdkhUdUl1ak1sazRpbXVhWWtzRGphaE1Wc2Vwa0Z6KzA1V211dWNZT2dOK0VYdUtTU0hHQy9SSk9KQlNheTBuV2ZXNDRpM2Y2MllVVUFrU0xScjhpT0I5UmljNHBDN0JwdjNKSWh5bER1T01qcGRYSms2RnBaKy9QMmEvZys0S3Y3eXc9PTwvZHM6U2lnbmF0dXJlVmFsdWU+PGRzOktleUluZm8+PGRzOlg1MDlEYXRhPjxkczpYNTA5Q2VydGlmaWNhdGU+TUlJRFJEQ0NBaXlnQXdJQkFnSUdBWlJGc3ZneU1BMEdDU3FHU0liM0RRRUJDd1VBTUVFeEp6QWxCZ05WQkFNTUhtaDBkSEJ6T2k4dgphVzUwY21GdVpYUXVjMjk1WVdkeWIzVndMbU52YlRFV01CUUdBMVVFQ3d3TmMybDBaWFpwYzJsdmJpMXpjREFlRncweU5UQXhNRGd4Ck1UTTFORFJhRncwek5UQXhNRFl4TVRNMU5EUmFNRUV4SnpBbEJnTlZCQU1NSG1oMGRIQnpPaTh2YVc1MGNtRnVaWFF1YzI5NVlXZHkKYjNWd0xtTnZiVEVXTUJRR0ExVUVDd3dOYzJsMFpYWnBjMmx2YmkxemNEQ0NBU0l3RFFZSktvWklodmNOQVFFQkJRQURnZ0VQQURDQwpBUW9DZ2dFQkFPSkNEdVlKZjhsMUZGSlJhZU96MmpUNmsvc1ErNmM0dUgzMkpOdTZSU3ZFbTVHRnppVXZBTnl4MWJGSG1wdUNWc3NYCmdtR2pSdHNTY3NwaHlJb1ZJdXNrS0U0d3dRRDRucjdxbXBvT0VtSmxDUDdpaDQ5NDBXUSsyZVZITktwY3NpellhcXlYcW85ekMra1AKTHVES1F2bFlkdXZEdGYyNzl1Z05IRVdjckVnZ21XZ25Ib1RsY295M0ZjZHpEczNlY01wcWFzNUNmRG8xNU9HTU9pSll3dEp4QThheAppTU56WExrbG9NRzFMOGJqbXhMRjNnY1FuZ0FzS1dEa1RZdFFNVnN0WGptL3h4MGVqODVVUERrWEpSS2kwN2ZIZWc1K21abE96UzhzCk5HcU0xWFVjUUdITE91bmxwMFE0S3oxeXBEMmNpMXV6WW9vcUNrY1JmVFBZOUVjQ0F3RUFBYU5DTUVBd0hRWURWUjBPQkJZRUZIVWwKSGpYNzVBMElUd1craGxvaStUV3k5S0V2TUI4R0ExVWRJd1FZTUJhQUZIVWxIalg3NUEwSVR3VytobG9pK1RXeTlLRXZNQTBHQ1NxRwpTSWIzRFFFQkN3VUFBNElCQVFDclZlSmI3S0hLMmx5L0tiSkRIS0NjYTl3ZUNia2tjVlFjUnRycGhwRXhZek56ZHlUUFpQQmxQZlp4CkVJdGUyMi8wblFNYS9saUlXSWZ5NDlvaWl3YkJtUUl4QjZGUTJqMHRyZDRMRzFnb0JQS3c4OFJyenJEVlM5dDEySzRFbExBaWNZVkcKbFF6ZW04Mi83YmxrRXhPOTlYS0JiQmloWkRjeGhSUmJGZ3ByRnljQUR4bVFTaW9FOG92M3Q5V3J4aVpFYkp2K0hxWHhvbGhyekFuUQp4WEVNekxtK1pyZGJodytIK29jWS9PZnJaNWp3NWhKT1RYcVRIbVVPMituWWVOdCtXQkNtcUFLdmFzc0ZxS1BCK2FVQkpPZGVvZEFSCnVudUZNY2lxV2ExNzNyQi9VMkxvQnQzZ3JtOFZuNmdua2lUNFZzcE5VTGJkbzJjTS9IaVkyUHVEPC9kczpYNTA5Q2VydGlmaWNhdGU+PC9kczpYNTA5RGF0YT48L2RzOktleUluZm8+PC9kczpTaWduYXR1cmU+PC9zYW1sMnA6QXV0aG5SZXF1ZXN0Pg==
RelayState_ead6c993-ed56-45a7-9527-3c9583fea0d3