mainhand}]. • give @p (item you want) (amount) @Unionhawk As of Minecraft 1. diamond_sword Detection. If you would like to learn more about how to bypass the Data Value bug in hasitem, I'd recommend visiting BCCA — The biggest MCBE Command Block dedicated server I'm. /clear itself, which is the main issue, cannot specifically remove items without NBT data. ! Teachers will gain an awareness that certain assessment ap-Name the project BankTests and click Next. FILE - The B-21 Raider stealth bomber is unveiled at Northrop Grumman, Dec. The test passes since the. weapon. You can change the slot= to which ever slot you want 0-8. Improve this answer. weapon. Whilst matching, each traversal of the examined Iterable will stop as soon as a matching item is found. 编辑玩家特殊能力什么意思？. A player with 5 or more apples in their inventory. It's not that simple, nor is /testfor generally multiplayer-friendly. Here is the command I'm using to replace the item in the 8th slot: /replaceitem entity @ a slot. During the test run, TestComplete collects information on the. com is the number one paste tool since 2002. 1. See video below. When reading the Torah or praying, Jews who come across the name of God (transliterated into English as YHWH) will substitute the word Adonai. / execute には14種類／11種類 [ Bedrock Edition 限定] のサブコマンドがあり、 / execute の後に続けて1つ以上のサブコマンドを記述する。. 適宜検知したい場所に合わせてSlotの値を変更すれば、問題なく扱えます。 また、剣を持っていることやオフハンドに装備している場合にはついては、【攻撃を検知】ダメージの計測にはscoreboardコマンドをどうぞ。 「剣を持っている時にダメージを与えた場合」の箇所に、剣を持っていること. Then a replaceitem keep command attempts to fill the player's mainhand with an item, and if it works, the player is assumed to have had the item in their hand. weapon. Such as . Essay items are generally easier and less time consuming to construct than are most objective test items. No objectives needed. It can turn out to be a great way to avoid the dangerous Warden mob in. 1 Terminology Regarding Multiple-Choice Test Questions Multiple-Choice Item: This is the most common objective-type item. Unfortunately, there’s no ‘tag test’ subcommand so the only way to specifically get around that is to include a radius: ‘/testfor @p[tag=!YourTag,r=5]’ so it only considers players in a five block. For example, /scoreboard can assign a label: /scoreboard players tag @a[tag=HasItem] remove HasItem /scoreboard players tag @a[tag=!HasItem] add HasItem {SelectedItemSlot:0,Inventory:[{Slot:0b,tag:{display:{Name:"Fire Wand"}}}]}/scoreboard objectives add hasItem stat. Dylan-o •. Middle bias has been reported for responses to multiple-choice test items used in educational assessment. You can use the same basic process to check if the bank score is high enough, then 2 chain command blocks to remove the score and add diamonds. Play with your ear or hair, touch your chin, or. The SelectedItem compound will only exist if the slot the player has selected on their hotbar contains an item. 1import React from "react". execute if entity @a[hasitem={item=. 2 Method: Real-time RT-PCR. How can I testfor hasitem if players have no item on their head? Advertisement Coins. @p - Target the nearest player. Options. Press the Enter key to run the command. Let me know how this works, again I’m not certain it. Follow. 2 Method: Real-time RT-PCR. With the release of 1. This command can also be used to count entities. Manage user access in FastTest with roles and content limitations. In this video I will show you how to check for items in a player's inventory in minecraft bedrock edition!If you liked this video, please be sure to hit the. 甘蔗有吧！. Anyway. doesn't hasItem expect one matcher as an argument and not a list of matchers? java; unit-testing; hamcrest; Share. Basic Concepts in Item and Test Analysis. something (such as a series of questions or exercises) for measuring the skill, knowledge, intelligence, capacities, or aptitudes of an individual or group. It won't. If you could successfully test for its name, I suggest adding a §r§f before the trident name so players have trouble replicating it. The COVID-19 pandemic changed the landscape for retailers and shopping habits for consumers. weapon. In the face of unprecedented shocks – from extreme weather events to pandemics and disease outbreaks – our health systems are being put to the test. 1 Test item: Ebola nucleic acid detection [1]. Broken pencil, momentary distraction by sudden sound of a train running outside, anxiety regarding non-completion of home-work, mistake in giving the answer and knowing no way to change it are the factors which may affect the reliability of test score. g. Any suggestions?If I do: /testfor @p[x=,y=,z=,r=] It says: The entity UUID is in an invalid format. Follow answered Nov 20, 2013 at 18:23. none of the above. Created:Look up how advancements work on the wiki. To select a minimum number you need to use a scoreboard test. It automatically generates a . 3. 10 selects players with a score between 0 and 10 inclusive. Begin and aqTestCase. In todays video i show you how to use the 'HasItem' selector for use in Minecraft Bedrock edition / MCPE / SWITCH / X. The correct syntax for score selectors is /testfor (player) [scores= {objective=number}]. hotbar,slot=0, item=log}] more explanation on observed result no. The multiple-choice item is a test question which has a number of alternative choices from which the examinee is to selectTestfor is a command used to detect entities, which can be a player, a mob, item frame, item, etc. 6K views 1 year ago Command Videos. That is, most cases where the testfor triggers another command if the result is true. The spruce planks has a date value of 1 and i do not know how many you want to detect but if you just want detect 1 or more do: /testfor @a [hasitem= [ {item=planks,data=1}]] you use the extra [] if you want to have multiple filters. See morehasitem is a new filter with 5 of different thing hasitem={slot=<slot number, use the location filter with this one} hasitem={item=<item name not custom>} hasitem={data=<data of. LOFT exams utilize automated item generation ( AIG) to create large item banks. See the source (from documentation):. ii! Teachers will be able to identify and accommodate the limitations of different informal and formal assessment methods. Creates a matcher that matches when the examined object is logically equal to the specifiedoperand, not. mainhand}] ~ ~ ~ and then any command you want, if you want it to clear after a command then put a chain conditional command block. The second method parameter is a matcher for Biscuit objects, here a matcher that checks one object is equal to another using the Python == operator. Attachments. Goodluck! Bedrock Edition /testfor @a [hasitem= {enchantment=_______}] Add to the /testfor command when searching for an item in a players inventory to include being able to test for enchantments. Explanation: These test items offer several answer choices. 3. You can then target the player based on their score. It'll find anyone with any colour wool, whereas I want to find only players with red wool. so if have any issues i will get back to you about it when i am free You have to use a command to apply a label to the player based on their data rather than using /testfor. When I execute "/testfor @s [hasitem={item=air}] " in chat it responds by saying "no target matched selector" even though my inventory is completely empty. The first command block is RepeatUnconditionalAlways Active with command:. Obviously, {} does not contain any tags, meaning every item in the game matches this 1. It has been claimed that this response bias probably occurs because test developers tend to place correct responses among middle options, tests thus presenting a middle-biased distribution of answer keys. This could end up being an issue for future things I may want to do, and may affect others trying to use this. Minecraft Preview 1. Admittedly though, this is a lot simpler. hotbar 8 snowball. Using a comparator, run these commands when a player is found: 1. mainhand}]] 2-chain command /clear @ p feather 1 0 3-chain command /effect @ p invis 1 1 true 4-chain command /effect @ p speed 3 3 true 5-chain command /effect @ p mining_fatigue 10 1 true *tick delay of 60* so my problems. 13. Our world designer recommended using the /testforblocks command to check the player's item frame matches with an item frame you've hidden in the world that contains the "correct answer" (item frame with bread). If using testfor you can hook another command block up to it, or use the execute command, which however, does not support data tags. 9 cuadro de indicadores de la etiqueta problema. /testfor @a[hasitem={item=emerald}] Followed by a chain block, conditional, always active as: /execute as @e[type=villager] at @s run clear @p[r=5,hasitem={item=emerald}] emerald Then set a comparator attached to the repeating block to detect if it's detected a player that matched the criteria. 3. 15Votes Vote Follow Post Bedrock Edition /testfor @a [hasitem= {enchantment=_______}] Add to the /testfor command when searching for an item in a. weapon. Activity. session object (not so nice, but you gotta love python!). hotbar,slot=0. Additional comment actions. /effect bob123 [hasitem= {item=command_block}] slowness 10 10. Assume the refund is deductible (or allowable as an adjustment to gross receipts or cost of goods sold) when incurred. Replace the 1 with however many you need to buy the second item, so 10. diamond_sword Detección. Bedrock Command-er. The Rey 15 Item Test was designed by Andre Rey and is his best-known measure of effort (Frederick, 2002). A combination of these two (see below code) would help. 1. I don't think you can do that. A simile is. weapon. Observed result. You can use /testforblock x y z minecraft:chest -1 {Items:[{}]} Note the extra {} in the Items list. The '1' is the value for how long the effect lasts, but if. PyHamcrest is a framework for writing matcher objects, allowing you to declaratively define “match” rules. pobrelkey pobrelkey. mainhand}] run <command:Chained>. hasitem name fuctionallity. also you can replace dirt with anything. GameMaker Studio is designed to make developing games fun and easy. 30+]网易版福利！基于hasitem的不吞币clear商店！核心部分仅有2CB！，基岩版长按检测，【MCBE】背包检测-自动封禁与补给（附存档）租赁服可用Inside of another repeating command block put Effect @e [name=spin] invisibility 1 1 true. mainhand}] run <command:Chained>. 1. and the hasitem target selector "item" too cannot detect an "air" item which mean when player is not holding any item. There are six selector variables to choose from: @a - Target all players. When the testfor condition is met, the comparator will output a signal (out of the end facing away from the block). No problem. @initiator - Target the player interacting with an NPC. In this case you are searching in Inventory for Slot information. That is, it makes sure that the collections contains at least these items, in any order. Using the / key also enters the forward-slash that commands require as a prefix, so it is a. Item analysis is a process which examines student responses to individual test items (questions) in order to assess the quality of those items and of the test as a whole. Estoy tratando de hacer un kit pvp mapa de vainilla Minecraft , pero me encontré con un problema. In the big list post, you'll find one section for duplicate retargeting. To check the NBT-data of a shulker box (or any other block) at the coordinates -42 23 23, you can use this command: /data get block -42 23 23. 261K subscribers in the MinecraftCommands community. Cette commande peut être utiliser dans un bloc de commande, le résultat peut ensuite être reçu via un [item=149]comparateur redstone[item] pour connaitre le résultat. So do: /clear @p minecraft:iron_ingot 0 1. 2. closeTo - test floating point values are close to a given value. Understanding Item Analyses. 有什么问题可以直接问我哦～指令↓say @p 死了tp @p x y zspawnpoint @a x y z, 视频播放量 18435、弹幕量 36、点赞数 484、投硬币枚数 86、收藏人数 359、转发人数 25, 视频作者 早晨解说, 作者简介 主攻MC技术，友好面向于新手开发者，相关视频：testfor检测实体指令超详细教程，我的世界仅需3个命令方块做出. It just as simple as it sounds if you do some thing like testfor @a[hasitem= {item=wooden_sword,data=3} ] in the video I gave my self I wooden sword that had data of 3 and the command block should have spammed in chat but it didn't. I've tried modifying the data tag to also include a data value, such as /testfor @a {Inventory:[{id:"minecraft:wool",data:14}]}I guess this is a very weird and specific problem but i was making a map which used the old /testfor command a lot, and especially /testfor @a[r=x]. craftItem. Breach forms and late-return paper tests: June 24. hasitemを使う前に (ワールドを新しく作る場合. For example you can do testfor @e[hasitem={item=diamond,location=slot. Now, place a conditional chain command block facing away from the repeating. contains ("foo", "bar"); As a side note : to assert multiple fields from elements of a List , with AssertJ we do that by wrapping. Command block to give specific player (in a certain radius) a status effect. I don't know if there is a limit to how big of an area it an effect, so you may need multiple command blocks. Table of Contents. Test Input. /testfor @a [hasitem= {item=smt_book,data=123}] NocturneSoul_. weapon. So I tested this command: /testfor @a {Inventory:[{id:"minecraft:dirt",Count:2b},{id:"minecraft:glass",Count:2b},{id:" Stack Exchange Network Stack Exchange network consists of 183 Q&A communities including Stack Overflow , the largest, most trusted online community for developers to learn, share their. Alternatively, you could use a testfor command to detect when a named item is dropped, by detecting when it exists. I'm running a load test in Visual Studio, this specific web test contains just a login / logout test for our web application. 60 seconds per multiple choice item. Description. Now the arrows near the player with the upgrade tag will be the ones that explode but only if they're holding. 13+. 21にて、 セレクター引数「dx」「dy」「dz」の仕様が変更されたため、その変更点のまとめとヒットボックス検知への活用の仕方について書きます。 新dxdydzの変更点 ※語彙力不足なのでバグ報告の文を直訳していることがあります エンティティがテストされる前に位置が. The result of. Hello, welcome to another How To video. If using testfor you can hook another command block up to it, or use the execute command, which however, does not support data tags. a comparison using either “like” or “as”. Attachments. The format of the cookbook is example focused and practical – no extraneous details and explanations necessary. I try to avoid using more than 1 level of dereferencing for 2 reasons (like objA. ③连锁有条件保持开启新参数HasItem上线！真正意义上的手持物品检测！，又快又准的血量检测!实用简单!，我的世界拉屎值指令，我的世界检测点击指令教程，网易我的世界指令_检测跳跃和移动，检测蹲下指令，教你如何在我的世界基岩版检测蹲下，我的世界教程，[网易可用] 2命令. ”. So for bedrock use testfor @p[hasitem={item=netherite_chestplate,location=slot. You can tag all item frames that have an item in them, then test if any don't have that tag: /scoreboard players tag @e [type=item_frame] add HasItem {Item: {}} /testfor @e [type=item_frame,tag=!HasItem] Share. 新参数HasItem上线！. To test if Alice is online: testfor Alice To count the number of players in. As the name suggests, it tries to automate some or all of the effort involved with item authoring, as that is one of the most time-intensive. 2. /testfor @a {Inventory:[{id:"minecraft:wool"}]}. This member will save the status of the. Improve this answer. This filter is only available in the newest Minecraft Bedrock Beta as of now. Armor stand, using hasitem and if the invisible armor stand in front of the player has an item in their hand. armor. 20更新了选择器hasitem，它具备检测物品种类，数量范围，特殊值，位置即位置范围五个功能，还可以多物品同时检测，功能性远超过了clear（只检测是否有物品）和enchant（只检测手持武器是否可附魔规定属性）。Stand with your arms folded. array_key_exists() is SLOW compared to isset(). Retailers began pulling back on opening on Thanksgiving or. An examination ( exam or evaluation) or test is an educational assessment intended to measure a test-taker's knowledge, skill,. LOFT exams utilize automated item generation ( AIG) to create large item banks. Memor-X. Reporter: sky30p Votes: 0 Vote for this issue Watchers: 2. This video is an in-depth breakdown of the "hasitem" filter. These test items offer several answer choices. Methods Patients from 3 Veterans Affairs general medical clinics were mailed questionnaires. You can use the form "execute if block run ". This allows the player to target entities based on the items that have in their inventory or. I would urge you, do not press on for hasitem name functionality without simultaneously pressing on for an item name slot in /give. and the hasitem target selector "item" too cannot detect an "air" item which mean when player is not holding any item. So for example, i would make a repeating command block which would test for players in a radius around an armor stand that was placed at coordinates 100 100 100 and it would look like this:yes, /testfor is now a part of the /execute command. Covering popular subjects like HTML, CSS, JavaScript, Python, SQL, Java, and many, many more. armor. Registered. should really be. Jan 3, 2016. Example: /testfor @a [x=~,y=14, z=~,dx=100, dy=1, dz= 100] •. The close thing to what you are asking is /execute @e [tag=friendly_mob] ^ ^ ^ 1 @a [tag=friendly_player,r=3] ~ ~ ~ @e [tag=friendly_mob,r=4] weakness 1 255. Using a comparator, run these commands when a player is found:1. Therefore, behavior achievable with /clear cannot be replicated using this feature. asList("foo", "bar"), hasItem("bar")) Popular methods of Matchers. You’ll see examples of test cases both in manual and. hotbar,slot=0}] run say e. Grade 3 English language arts tests (online and paper): June 15. 0 is an adaptable option. Hello, welcome to another How To video. weapon. Based on 7 documents. put this in a repeating command block: /testfor @a[score_hasItem_min=1] Execution. TestHat is a hat that was published in the avatar shop by Roblox on July 21, 2021. Observed Results: The command successfully finds the player even though the player has concrete with a data value of 11. I'm trying to test if a player has an item named "sunny", and if they do to have it turn into a shulker box. Follow edited May. property ): 1) You can check the existence of an object from the start and if it doesn't exist, jump out or assign default values. . Examples of Test item in a sentence. mainhand}] this will test if the player is holding a netherite sword in their mainhand there is also quantity,slot,and data. . @initiator - Target the player interacting with an NPC. TIP: Starting in. Help me get to 500k in the new B. Connect and share knowledge within a single location that is structured and easy to search. 1. Detect items in specific slots in bedrock edition. まずhasitemってなに？. Quiz Answers. The multiple-choice item is a test question which has a number of alternative choices from which the examinee is to select W3Schools offers free online tutorials, references and exercises in all the major languages of the web. A place for all things about commands, command blocks and data-packs in vanilla Minecraft; to share, to question, to discuss, and more! Please read the pinned post before posting. Valheim Genshin Impact Minecraft Pokimane Halo Infinite Call of Duty: Warzone Path of Exile Hollow Knight: Silksong Escape from Tarkov Watch Dogs: Legion. Hold any item like DIRT on your main hand and do the "/replaceitem entity @p slot. note: testfor is mostly obsolete in. This command tests for entities, it can be used to activate conditional command blocks. scoreboard players tag @a remove Wearing The second command block is ChainUnconditionalAlways Active with command:. ; Support validity with storage of extensive metadata, including custom. A LOFT exam is a test where the items are drawn from an item bank pool and presented on the exam in a way that each person sees a different set of items. it would use the double equals sign (==) for numbers, and just one (=) for things that cannot use the other operators (like name and type; non-numerical values). Sorted by: 2. testfor <victim: target> victim: target: CommandSelector<Actor> Specifies the entities to test. ターゲットセレクター（英：Target selectors）はコマンドにおいて、プレイヤー名やUUIDを指定することなく任意にプレイヤーやエンティティを指定することのできる要素である。ターゲットセレクターの変数によって単数・複数のエンティティを指定することが可能である他、ターゲット. There are a number of situations where matchers are invaluable, such as UI validation, or data filtering, but it is in the area of writing flexible tests that matchers are most commonly used. weapon. ) matching specified conditions. Simply place another command block or a redstone circuit there and it will do what you want when you want. This could be made by simply letting players to type a quantitiy of 0 items in the /replaceitem command, like how it functions in the /clear command. thanks, that works. Now put /execute at @p as @p run summon creeper ~~~. #minecraft #コマンド #BEMinecraft BE版/コマンド講座・基礎編として「hasitem」コマンドについて紹介いたします。Ver1. 19, 1. hasItems checks: consecutive passes over the examined Iterable yield at least one item that is equal to the corresponding item from the specified items. ”，我的世界hasitem指令，[MCBE]5个命令方块做点击式触发技能，长按触发指令，还原服务器物品触发，命令方块教程，【Minecraft】指令干货分享 Ep3:仅2个命令方块就能做的手持物品检测，原版检测潜行!超作弊OP武器！手持物品检测！[Minecraft] [我的世界]，【我的世界. 1 2. Quiero a personas específicas para conseguir un efecto determinado. So I got a /testfor command: /testfor @a{SelectedItemSlot:0,Inventory:[{Slot:0b,tag:{display:{Name:"Fire Wand"}}}]} This command tests if any person has this specified item name in slot 0. ago. Nice answer. What I want to do: I want to execute if an item is on the ground. {Inventory:[{id:minecraft:item,Count:1b}]} /clear @a[tag=!hasItem] minecraft:item 1 /scoreboard players tag @a[tag=hasItem] remove hasItem. Syntax:Replaceitem on the player that is going to be hit by an arrow with a piece of armor at 0 durability. Test item has the meaning provided in Section 2. 服务器检测手持物品并执行指令！. It operates by using XP Levels as your currency, but I believe it's possible to now use physical items as a currency so I just wanna tweak these commands to make it work with the new "hasitem" command they added to the beta recently :) Shop Command: • execute @p ~ ~ ~ testfor @s (lm=5) • xp -5l @p. #1. I am a little less clear on how to achieve specifically what you are asking, but. mdl, . 夜之城夜之壶，夜之壶是工具胡！. ,data=*}](item написано по. diamond_sword Detection. Using the proper block name, we can get: execute if block 1015 63 989 minecraft:yellow_glazed_terracotta run say hi. In the IEEE 829 standard for test documentation, a "Test Item" refers to the software or system that is being tested, while "Features to be Tested" refers to the specific characteristics or functionality of the Test Item that will be evaluated during testing. The assert_that function is a stylized sentence for making a test assertion. /effect @a[tag=HasItem] minecraft. 21にて、 セレクター引数「dx」「dy」「dz」の仕様が変更されたため、その変更点のまとめとヒットボックス検知への活用の仕方について書きます。 新dxdydzの変更点 ※語彙力不足なのでバグ報告の文を直訳していることがあります エンティティがテストされる前に位置が. 3. Sounds simple, but the item has it's own tag, custom name, color, lore etc. Doing something like: “/clear. If unsuccessful, that player will have their score set to 0. This next command will basically test to see if the above is not true, as in, the player clicks on the item. Testfor from player. 18. . This cookbook illustrates how to make use of Hamcrest matchers to work with and test collections. ツールに限らずアイテムの所持を感知できるようになって嬉しい色々なスロットのアイテムを感知できるのも便利さらにデータ値まで指定できる. Así que me puse un /testfor comando:assertThat(Arrays. Then you want to place a comparator from this command block to another one. execute as @a if entity @s [hasitem= {item=raw_iron}] run give @s iron ingot. You can direct different effects to players or entities that meet specific criteria such as items in their inventories. An ideal ordering to add items to the test (bottom-up. There is currently no easy way that I was able to find to test for a player having an enchantment on an item though it can be done in Java edition. 2. victim: target A name string or target selector to identify who or what is being counted. This command checks the nearest player’s experience. To only get information about the contents of the shulker box, which is stored in the Items tag, you can use this command: /data get block -42 23 23 Items. Alright so basically you want to test for a LACK of an item, not the presence of air. is. You can use testfor to test if the player is at the specified position, then use a comparator to trigger another command. 5,873 21 21 silver badges 29 29 bronze badges. Then use a chain command block to remove the diamonds, followed by another chain command block to add to the bank score. /testforblock ~ ~-1 ~ minecraft:repeating_command_block -1 {SuccessCount:0} Now put in whatever commands you want, such as a tp or whatever. 12-style /execute command that makes it. 16, "Execute" command has several syntax options. This command will make it so if anyone holds a diamond with the data value of 1 in their hand it will give them speed! This thread is archived. Improve this. <Sx> <Sy> <Sz> = Source X, Source Y, Source Z - In this case the block the coal chest is in, this is our first corner of the testforblocks region. The short answer is that Hashem means “The Name” in Hebrew. The second method parameter is a matcher for Biscuit objects, here a matcher that checks one object is equal to another using the Python == operator. Commands, also known as console commands and slash commands, are advanced features activated by typing certain strings of text. Using Minecraft 1. It is easy to implement in case an efficient and an inefficient estimator is available. Like and Subscribetestfor command should come up positive because you have given yourself a wooden sword of data value 1. This Minecraft tutorial explains how to use the /testfor command with screenshots and step-by-step instructions. Learn how to set up and run automated tests with code examples of hasItem method from our library. a procedure, reaction, or reagent used to identify or characterize a substance or constituent. 30 only. This video will explain how hasitem works in Minecraft Bedrock Edition. 10 selects players with a score between 0 and 10 inclusive. ExpertCoder14’s answer is better for v1. Use the hasItems method in your next junit project with LambdaTest Automation Testing Advisor. 50, the /execute command was given a syntax overhaul. (I forgot to test and see if you could search for a specific item). The ability to test for players or entires will run as a very essential trait in map making. session. En mode solo l'option 'cheat' doit être activée pour utiliser cette commande. . If you named the item in an anvil, then use this command:“hasitem”を使用する場合 ”hasitem”はその名の通り「アイテムを持っている」ことを指定するセレクター条件。 例1. A LOFT exam is a test where the items are drawn from an item bank pool and presented on the exam in a way that each person sees a different set of items. This would be the second corner as this command's intent was to compare. Many test artifacts correspond to test-specific work item types. Make SURE this comes AFTER the first two, otherwise it could mess up the machine. 服务器检测手持物品并执行指令！. 哔哩哔哩（bilibili. ，长按触发指令，还原服务器物品触发，命令方块教程，免遍历多人检测背包!网易可用的新. 1. Additional comment actions. However, this. a comparison using the word “as”. 20 betaHamcrest is commonly used with junit and other testing frameworks for making assertions. There are fourteen[JE only] / eleven[BE only] instructions (aka. Thanks to the great effort of pppery, a list has been compiled with all the duplicates of the Minecraft BE NBT question. Here is the command: /testfor @a {Inventory: [ {Slot:20b}]} This simply tests for the existence of Slot 20 which would mean there is any.