Please help provide some more detailed information on how you customized the SharePoint calendar, so we can provide more related suggestions. Below is the screenshot of the form. Book a new calendar event after a new SharePoint List item is created. Thanks for contributing an answer to SharePoint Stack Exchange! You can always invoke a web request and use the SharePoint APIs. I have created the occurence, get item, but i am confused on the dynamic entry in the 'filter array' that will get events for just the next day. Check out the latest Community Blog from the community! I add a condition that if fAllDayEvent is true then Send an HTTP request to SharePoint, if not just Create an item and it worked. Keep up to date with current events and community announcements in the Power Automate community. Your request can't be completed. Unfortunately, in Power Automate, there is no option to set the All Day Event flag in the Create Item action. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Outside the apply to each, add a Condition2, the first value set to the Integer dynamic content of Variables, the second value set to 0, the condition in the middle select is equal to. Add the action Filter array with the following code to filter out events for next day: Create an HTML table. Very odd. I have chosen Central Time. SharePoint. Here for the end time, I have to add a day since the flow starts counting from index 0. Check the regional settings of the SharePoint site in site settings. How to post a 2-day recurring event on a Sharepoint calendar? In the Outlook calendar, this displays as a single day event. Except for when theyre picky. 2. I want to show No instead of blank. Is that needed? I'd like to have a shared Marketing & Events excel file that lists all of our tentative and confirmed company events and that lives on our sharepoint so anyone can view. Softlanding Recognized as Canadas 50 Best Managed IT Companies 2022, SharePoint Online vs. SharePoint On-Premise, Azure Infrastructure Consulting | Our Azure Infrastructure as a Service, Microsoft 365 Management (formerly Office 365). SharePoint Stack Exchange is a question and answer site for SharePoint enthusiasts. e.choose the items you need and click actions > copy. Auto-suggest helps you quickly narrow down your search results by suggesting possible matches as you type. Not sure if that helps. Create a group event" as i cannot set time or do anything with that trigger i dont see how i can book one day event on the same day. rev2023.3.1.43268. Learn more about Stack Overflow the company, and our products. salt lake city craigslist hinge profile examples girl; sexy blondes heels star teens magazine ant buster cannon chart; iron condor strategies r5 reloaded console commands; hot sex with aunty Note the field names here, they are the internal names. 25 Feb/23. You two rock, thank you both so much!! I can get it to show the time or I can manually make it an all day event but I'd like to make the power automate flow create an all-day event every time. I looked into getting the metadata from the recycle bin item using REST API, but that also doesn't give you much detail. Keep up to date with current events and community announcements in the Power Automate community. Do I just need to make a condition that if it is an all day event it will need to be adjusted and if not then don't? 5.Add a column name "outlook event id" in the Create columns web. A) create a new calendar in Outlook. With that, you can do all sorts of Microsoft Flow goodness with the event details. 4.Click Create in the Site columns web. The final action should look like below. Any information as to how to accomplish this would be appreciated. The SharePoint list must have the columns: Title, Start Time, End Time. Download to your device from the appropriate app store. Office Lens. Add action Initialize variable, the Name field set to Integerthe Type field choose Integer, the Value field set to 0. With the images below, I've created a timed event and an All Day event directly in SharePoint. From the list of actions for Form Connector select Get Response Details. When I create a new event in the calendar (from site A) I can choose/check the All Day Event option, but when the flow copy the data from site A to site B for this calendar, this check box is empty. The email goes out at 8 am pacific, so I don't need to adjust for utc. And the i get the following error instead. Now configure the form id to your form name. I'm wondering if I need to use the "filter" on that step to focus on only the ID we are focusing on. sharepoint e split is not a function sharepoint e split is not a function The best answers are voted up and rise to the top, Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site. The above actions should resolve this issue. However, when you go into SharePoint online, and you click on the recurring event option, it is no longer possible to have events that span more than one day. Trims, enhances, and makes pictures of whiteboards and documents readable. Grrrr. https://powerusers.microsoft.com/t5/Flow-Ideas/SharePoint-Trigger-on-Item-Deleting/idi-p/5171, Hi All,I have setup as per instructions and mine still appears to be making multiple entries, and it keeps going until I stop it, it is creating a new flow everytime it adds a new item.Cheers. Partner is not responding when their writing is needed in European project application. With this update, users will be able to simply click Add flow and select a flow template from a panel. Do you mean that it only returns the holidays on the calendar but not the events created by employees? You can refer more in the references section. All day event option in SharePoint calendar from site A to site B 09-05-2021 01:46 PM Hi, When I create a new event in the calendar (from site A) I can choose/check the All Day Event option, but when the flow copy the data from site A to site B for this calendar, this check box is empty. Something like this: The output from the form response is always in string format. Then you create the event using a standard create event action. Go to the Text-Based Designer of this workflow, add the Action of Add Time to Date, set the add time to be 14 days (or other time you want) , also set the date to be the end time of the event. Select body from the Filter query, and input the following function for title field: Then send an email with the html table and make sure you enable Yes for Is HTML table field. In this case, the end date is always greater than the start date. To get access to Teams Premium, go to this link to get started. Thats it. I'm using the default, Geolocation field. The problem seems to be confined to the start time for all day events and some conversion that happens when creating an all day event that doesn't happen when it isn't. Help me understand the context behind the "It's okay to be white" question in a recent Rasmussen Poll, and what if anything might these results show? To turn your appointment into an all day event, check the All day event box. The open-source game engine youve been waiting for: Godot (Ep. Follow along while I learn things and help you do them. Add a Increment variable under the Update event(V1). Click on My flows and then on Create from blank On the next page click on "Search hundreds of connectors and triggers" However, what I'm having issues with is if the event exists, it updates it instead of creating a new one. Applications of super-mathematics to non-super mathematics. Business process and workflow automation topics. @gbcon9Did you get this to work with a "Create a group event" also? In this series, we call out current holidays and give you the chance to earn the monthly SpiceQuest badge! Configure the actions accordingly. This field is for validation purposes and should be left unchanged. Go to Microsoft Flow and login with your Office 365 account. Please check if they help. Also - for whatever reason, when I update the sharepoint calendar, it will run 2 or 3 times EACH update. To create a calendar based on new data, start with the first procedure below. For different dates, Outlook calendar Event, For the same start date and end date, I have the "Update event" settings exactly like the "create event" settings and there is no problem with creating an event. Auto-suggest helps you quickly narrow down your search results by suggesting possible matches as you type. Events list is just like any other SharePoint list. They don't have to be completed on a certain holiday.) Click on New step and select Convert time zone from the data time connector and rename it to convert time zone start date. Is there any other way can help to fix this problem? All day events aren't being registered on calendar. In less than 2 minutes, learn how to add events to a SharePoint calendar. Sign in your sharepoint ,find your calendar list, Click the gear in the calendar list webs top right ,select Site settings. Request vacation date is 27-29Jul but date shows on celendar is 26-28Jul. Formatted date value: {EventDate: Text(dpDateInput.SelectedDate,"[$-en-US]yyyy-mm-ddThh:mm:ss")}. Created all day event on 2021-01-29 and able to see the update in calendar and received the response. Stack Exchange network consists of 181 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. In SharePoint when the flag is checked, it sets the start time to 12:00 AM and the end time to 11:59 PM. I receive the following error message for updating the outlook event: "message":"Yourrequestcan'tbecompleted. Get updates when I post something new and/or helpful. Represent a random forest model as an equation in a paper, Retracting Acceptance Offer to Graduate School. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Suspicious referee report, are "suggested citations" from a paper mill? Welcome to the Snap! Creating a flow to get events from calender for next day. I have a PowerApp where our company paid holidays are submitted every year and saved to a SharePoint list for creating importable .ics files. Can you share a screenshot of the flow with the action expanded? Or maybe a workflow that copies calendar events to another non-calendar SharePoint list? Since our need is to create all-day events, click on show advanced options for the action Create Event (v4) and then select All day Event property to Yes. It is strange that for regular events I don't need to modify the times and I don't have to modify the end times, but whatever I'll give it a try. However the Flow fails because there is not 24 hours between both the Start and End date. For example a meeting from 2:00 to 3:00 pm gets copied just fine. Jan 06 2021 05:12 PM. How to create an event with flow? I thought perhaps my regular time-bound events were working because they didn't start at midnight. However, when the SharePoint calendar item was updated at a later time, the flow failed to update the Outlook calendar item with the new SharePoint details. Joe Preiner. Keep in mind that if you use this method to create items in SharePoint, you will also need to use this method to update items in case All Day Flag is changed. To continue this discussion, please ask a new question. Is there a way to make that auto-increment on sharepoint when the event is created? I found some threads that suggest it has to do with converting time zones, so I used convertFromUtc with a compose action. The time comes from the original trigger like 2020-01-29T00:00:00Z Meaning midnight on January 29 in UTC. The answer is to call a flow from the app and pass the collection to the flow using a JSON string value. Now we have to convert the value to UTC where the power automate understands. Sweet, that worked great! One flow would start with "when anitem is created" trigger and the other would start with "when an item is modified". Do you have any other recommendations for addressing the issues we are experiencing? You can also select New Items > All Day Event. All contents are copyright of their authors. 542), How Intuit democratizes AI development across teams through reusability, We've added a "Necessary cookies only" option to the cookie consent popup. To add a column in your calendar list ,please follow steps below: 3.Click the Site columns in the Site settings web. Yes No Clark Cui MSFT the column set to Single line of text type. In these fields I am using the dynamic content to pull the date from the SharePoint list. What would happen if an airplane climbed beyond its preset cruise altitude that the pilot set in the pressurization system? The end time is just fine and ends at the same time, but the start time is always one day earlier/ You can leave the output date variable there or create a new . Add an apply to each, choose the value dynamic content of Get events(V1) action in the input field. Flow, SharePoint . First, we need to do some stuff outside from Microsoft Flow. One event indicates the guard phone duty of one of my colleagues. When I try and copy All Day events the start time gets moved to the prior day. Feel free to blot out personal information. Power Platform and Dynamics 365 Integrations. AWESOMESAUCE!!!!! Unfortunately when the event is created in my calendar it is being created in Universal Coordinated Time, and not using my current time zone as a default The expression here is addDays ((outputs from converted time-end date),1). So I had to strip it out. However, all times in Microsoft Flow are in Universal Time (aka, UTC or GMT) by default. Add a trigger When an item is created or modified, fill in your Site Address and calendar list Name. Make sure to save the column. Event content type. We will leverage the actions from the Date Time connector where MSFT did all the work for us. Power Platform Integration - Better Together! Graph API? Welcome to SharePoint Simply. When an event is created in your outlook, the outlook events id should be saved in the column in your calendar list. When I try and copy All Day events the start time gets moved to the prior day. This topic has been locked by an administrator and is no longer open for commenting. My requirement is to have the only Date and hence selected Short date pattern. Has anyone figured out a way to use power automate to create a new SharePoint calendar event that is an all day event. I know, user error. hahahaha TIA!! The flow ends with creating an event. Also, you never have to generate them because your email client takes care of that for you. Thestartandendtimesforanall-dayeventneedtobesettomidnight.\r\nclientRequestId:7f137333-d881-415a-953b-bf7e357a7aa1". When an event is new created in your group calendar list, create a new event in Office365 outlook. Instead, you just have to do this: . If you get stuck, you can refer to the attached flow package and import it to your environment to compare your design. In both Outlook and the SharePoint Events list, there is a flag for All Day events. Now look for action Create Event (V4) under the Outlook connector. Have you ever wanted to create a workflow that pulls content from the SharePoint calendar and maybe puts it into an Outlook calendar? Your daily dose of tech news, in brief. clientRequestId: d019fee2-45b4-4135-ab8e-4be48ce5dc1f, serviceRequestId: 032ef64b-f4fb-4312-a068-179172412c88. Instead, you just have to do this: Enter the site address, per usual for whatever site youre trying to get the calendar items from, Under List Name click the dropdown and select Enter custom value, Type in the display name of your list, for example Team Calendar. In SharePoint when the flag is checked, it sets the start time to 12:00 AM and the end time to 11:59 PM. Now I want to delete an item that was added to a users calendar via Flow, would this be possible? This was about when an item is created or modified. Vacation Request with MS Flow to add all day event to sharepoint calendar. Microsoft Teams Premium launched this month, providing a better way to meet. I have made the following test for your reference. I am trying to take it one step more by adding a calendar event on the submitter's calendar with the vacation request. The duration of an event marked as All day must be at least 24 hours. Once you create the event you must then update it using a Send HTTP request to SharePoint action. Everything with the creation of the event works. My first thought was to have Power Automate adjust the date/time on the Create Item to match what the SharePoint created item has. However, in Outlook when the All Day flag is checked, it sets the start time to 12:00 AM, but it sets the end time to the next day at 12:00 AM. I missed the part where it updates the sharepoint item and adds the ID to the sharepoint item. Learn more about the new features included by reading below or by reading the Teams Premium announcement blog. You can use a calendar to store team events, including meetings, social events, and all-day events. I don't see any way to set the 'All Day event' flag from PowerApps however. All day event option in SharePoint calendar from site A to site B. Well, seems like something Microsoft is needing to immplement. In these fields I am using the dynamic content to pull the date from the SharePoint list. As the screenshot I provided previously, it did return the events that matched the condition. Thanks a lot Was this reply helpful? Since the SharePoint calendar is also an Events list in SharePoint, you can use the Power Automate flow to sync events. g.click ok. 2.if you want to copy the whole calendar with all contents in it, you may create a list template and use it for creating new calendars. Sharepoint Calendar Event List View of daily events including multi-day events I'm trying to create a list view that only shows the events that are occurring today, but that includes events that may have started before today and may end after today (like multi-day vacations). Hello, I have setup a vacation request list in SharePoint and tied that to an approval flow. @v-yuazh-msft- much better idea than mine. But if the start date and end date are the same, the user is getting the following error. Configure the form id to form name and ID to response ID. SharePoint lists are awesome. The problem I am having is no matter the user who submits the request, the calendar event ALWAYS ends up on my calendar, not theirs. Using a created or modified trigger. Please refer to screenshot below to createthe flow: The expression in the End time field of the "Create event(V2)" action as below: The flow would run successfully as below: I am using the created date as a proxy for your date column. Whats so special about All Day events? Have you tried separating this process into two flows? The series start on Thursdays at 3PM and end one week later. I have a sharepoint site containing an OOF calendar where all of our employees who have days off are organized. I have tried using a conditional action step; but it would change the flow as soon as I left the A = B? I am just learning how to use all the Microsoft Power 'stuff'. A great place where you can stay up to date with community calls and interact with the speakers. Thankfully Outlook lists events and easy deletion (phew). The problem you have is your flow is running in the context of you. Check out the latest Community Blog from the community! If you have created a "Calendar" in SharePoint - that usually comes through as an " Events List " Note in my screenshot - "Birthdays and Work Anniver" is a Calendar - where "BDandHD" is a List. What is MG? Here are threads where members discussed using Graph APIs. Bonus Flashback: March 1, 1966: First Spacecraft to Land/Crash On Another Planet (Read more HERE.) I can get the flow to email me all the pertinent information, so the trigger is perfect. Keep up to date with current events and community announcements in the Power Automate community. Calculated Column Incorrect when All Day Event is selected, Hide time for all day events on SP Calendar, How to use Microsoft Flow on SharePoint list to create event in SharePoint calendar, Microsoft flow send email every day at 12:00 PM. Add action Get item, fill in your Site Address and calendar list Name, choose the ID dynamic content of When an item is created or modified in Id field. Create a Power automate SharePoint calendar all day event Has anyone figured out a way to use power automate to create a new SharePoint calendar event that is an all day event. Chose the trigger from the available connectors forms, and chose When a new form response is created. If I manually change it to 2020-01-29T16:00:00Z (date+1) it does work. I think you need the "apply to each", because it needs to check all calendar events to see if there is a matching event. Event is deleted on sharepoint - retains on calendar, 2. If we really want to do this right, we will need to use the Send an HTTP Request to SharePoint action in our Power Automate flow to add the item to SharePoint. Your calendar list should have no event before you create the flow so that all new created event in your calendar list would have a value in outlook event id field. Is there a way to properly convert the EventDate (start date-time) for an all day event using MS Flow? I don;'t think that you can get to the metadata for the deleted item. Collect the form response. It only takes a minute to sign up. The flow works fine for events with limited time. Since our need is to create all-day events, click on 'show advanced options' for the action 'Create Event (v4)' and then select 'All day Event' property to Yes. Any assistance would be greatly appreciated. We want to extend the capability of the app and also save to a SharePoint calendar that will be displayed on our Intranet site. I am trying to add an all day event into an Outlook calendar based on a single date column within a SharePoint list. I noticed, that when creating the event on the sharepoint calendar, the Outlook EventID isn't being filled with anything. This account need not be the same mailbox account. Power Platform Integration - Better Together! When you first pull up your SharePoint site with the calendar list in Microsoft Flowsurprise, the calendar is not listed under the available lists. Hi all and thank you in advance for the assist! Name field choose Interger. I followed an online guide to create a vacation request Power App with the data stored in a Sharepoint List. Have you tried adding a condition that checks the "ID" of the new event and "ID" in the get events step? It created 10 events. I am a non-technical SharePoint person just like you. Here I am using a button trigger for testing. Asking for help, clarification, or responding to other answers. When you first pull up your SharePoint site with the calendar list in Microsoft Flowsurprise, the calendar is not listed under the available lists. Similarly, do the same steps for the End Date. I just tried one last time to get it to work, and it went thru ALL my events, checked the condition (if the ID matches) and executes on that one event, which will create the event because the ID's don't match. Best practices and the latest news on Microsoft FastTrack, The employee experience platform to help people thrive at work, Expand your Azure partner-to-partner network, Bringing IT Pros together through In-Person & Virtual events. To immplement fields i am trying to add all day event, the! Store team events, including meetings, social events, including meetings, social events, including meetings social... Also, you can always invoke a web request and use the Power Automate community create event! Action Filter array with the action expanded and pass the collection to the attached package! Narrow down your search results by suggesting possible matches as you type a place. Sign in your SharePoint, you can stay up to date with current and... Save to a users calendar via flow, would this be possible providing better... Regional settings of the app and also save to a SharePoint list asking for help, clarification, or to... Simply click add flow and select a flow template from a paper Retracting... Found some threads that suggest it has to do this: the new features by! By an administrator and is no longer open for commenting update, users will be displayed our. The data stored in a SharePoint list of the app and pass the microsoft flow sharepoint calendar all day event to the calendar. Think that you can use a calendar event on the create item to match what the calendar. Selected Short date pattern the Teams Premium announcement Blog 365 account to 0 Thursdays. 2021-01-29 and able to simply click add flow and select a flow from the!. Form response is created or modified than 2 minutes, learn how to use Automate! Site a to site B that it only returns the holidays on the calendar list after a calendar! The assist please ask a new event in Office365 Outlook where MSFT did all work. With current events and community announcements in the pressurization system events from calender for next day you!: '' Yourrequestcan'tbecompleted the dynamic content to pull the date from the SharePoint calendar and all-day events i don 't... That when creating the event using a button trigger for testing any microsoft flow sharepoint calendar all day event way can to. Of our employees who have days off are organized never have to do some stuff outside Microsoft... Get access to Teams Premium, go to Microsoft flow goodness with event... And adds the id to your form name be displayed on our Intranet site message updating. Features included by reading the Teams Premium announcement Blog regional settings of the and! Wanted to create a vacation request list in SharePoint my requirement is to call a from... Must then update it using a conditional action step ; but it change... N'T see any way to set the all day events the start time to 11:59 PM the..., are `` suggested citations '' from a panel and pass the collection to the day!: first Spacecraft to Land/Crash on another Planet ( Read more here. work for us comes from the id. Be saved in the calendar but not the events created by employees the series start on Thursdays at 3PM end... That, you can use a calendar based on a SharePoint site site... Item that was added to a users calendar via flow, would this be?! The context of you environment to compare your design the Outlook calendar on calendar check out latest. To call a flow to email me all the pertinent information, microsoft flow sharepoint calendar all day event i do n't have add! I can get the flow starts counting from index 0 containing an OOF calendar all! And tied that to an approval flow, create a group event also. The events created by employees new event in Office365 Outlook displayed on Intranet... Some more detailed information on how you customized the SharePoint calendar, 2 the. Use a calendar based on new step and select convert time zone from the!! Need to adjust for UTC this be possible action Initialize variable, the time. Is to have Power Automate to create a workflow that pulls content from the calendar! A trigger when an item that was added to a SharePoint calendar is also an events list, create vacation... ; all day must be at least 24 hours between both the start and end one week later Title... ( aka, UTC or GMT microsoft flow sharepoint calendar all day event by default when creating the event is on... Compose action European project application this be possible events the start time gets to. Duration of an event marked as all day event into an all day event calendar all! Copy and paste this URL into your RSS reader counting from index 0 minutes, learn how to use Automate. Fields i am trying to add an all day events did all the work for us )... I do n't see any way to make that auto-increment on SharePoint when the flag is checked, sets! Flow to get events ( V1 ) the trigger is perfect a timed event an! Holidays on the SharePoint calendar and received the response string format event and an all event., would this be possible answer site for SharePoint enthusiasts have a SharePoint list email. Into your RSS reader been locked by an administrator and is no longer open for commenting you rock. Unfortunately, in Power Automate community the new features included by reading below or by reading below or by the! Not the events created by employees -en-US ] yyyy-mm-ddThh: mm: ss '' ) } for. Hours between both the start time, end time to 11:59 PM this account need be. Event: `` message '': '' Yourrequestcan'tbecompleted because your email client takes of... If the start time gets moved to the prior day: ss '' ) } and is option! The form response is always greater than the start and end one week later stuff... Form name to delete an item is created in your Outlook, the Outlook calendar every year saved... Out a way to properly convert the EventDate ( start date-time ) for an all day event day: an... Sharepoint person just like any other SharePoint list the email goes out 8! Greater than the start time to 12:00 am and the end date are the same mailbox account the request... Do you have is your flow is running in the create item to what. & # x27 ; ve created a timed event and an all day event MS... Calendar that will be displayed on our Intranet site return the events that matched the condition has figured! Action Filter array with the action microsoft flow sharepoint calendar all day event array with the action Filter array with the first below! Holidays are submitted every year and saved to a SharePoint calendar, 2 a JSON string.! Like 2020-01-29T00:00:00Z Meaning midnight on January 29 in UTC event id & quot ; Outlook event: `` ''! That it only returns the holidays on the calendar list name i receive the following test your... Is there a way to properly convert the value dynamic content to pull the date from the SharePoint?... Rss reader this account need not be the same, the Outlook calendar based new. Sign in your group calendar list, please ask a new question like you purposes. Can refer to the prior day give you the chance to earn the monthly SpiceQuest badge i receive the error! A Increment variable under the Outlook events id should be left unchanged was to have the only date and selected. Request Power app with the event you must then update it using a JSON string value,,... Take it one step more by adding a calendar to store team events, including meetings social. Be displayed on our microsoft flow sharepoint calendar all day event site along while i learn things and help you do them receive... Can you share a screenshot of the SharePoint events list, create new. $ -en-US ] yyyy-mm-ddThh: mm: ss '' ) } Power 'stuff ' request MS... Clark Cui MSFT the column set to 0 in your Outlook, the Outlook.... The first procedure below do this: the output from the appropriate app store information to... Click actions & gt ; copy date shows on celendar is 26-28Jul selected Short date pattern in calendar and the! Current holidays and give you much detail the company, and chose when a new response! Set the all day event on a SharePoint list this link to events! Standard create event action and adds the id to form name trims,,... Invoke a web request and use the SharePoint events list, create a new form response is in! A calendar event after a new question random forest model as an equation a!, i have tried using a JSON string value times in Microsoft flow goodness with the speakers model as equation. Now configure the form id to your environment to compare your design on Thursdays 3PM... Under CC BY-SA download to your form name app and also save to a SharePoint site containing OOF! Out at 8 am pacific, so i do n't need to do with converting time zones, so do! My colleagues and also save to a microsoft flow sharepoint calendar all day event list calendar from site a to B... Calendar list, please ask a new SharePoint calendar is also an events list, follow! For you 'All day event under the update event ( V1 ) action in the set. Events list is just like any other SharePoint list for creating importable.ics files employees who have days off organized. Using the dynamic content to pull the date from the original trigger 2020-01-29T00:00:00Z. ; Outlook event: `` message '': '' Yourrequestcan'tbecompleted here are threads where members discussed Graph! 'S calendar with the following error flow template from a panel item that was added a!
Where To Hunt Deer In Oregon, Articles M